• Sen. Bob Casey (D-Pa.) said he will seek re-election next year, a move that is seen as bolstering Democrats’ chances of holding onto the seat in a key presidential battleground state as wealthy Republican businessman David McCormick considers his own campaign. The 62-year-old incumbent had previously been noncommittal about his re-election plans as he underwent treatment for prostate cancer. (CNN)
• The Biden administration is looking for ways to support abortion pill manufacturers and drugstores amid legal challenges after a U.S. judge in Texas on Friday suspended approval of mifepristone. (Reuters) Health and Human Services Secretary Xavier Becerra said in an interview that the efforts to ban the most common abortion method could affect other drugs the Food and Drug Administration has approved or might still approve. (Politico)
• American officials reportedly believe that a trove of classified documents about Ukraine that appeared online are real and are likely the result of a leak, though some of them may have been altered. The Justice Department has launched an investigation into the source of the leak, which revealed information about Ukraine’s military strength and the state of the conflict with Russia. (NBC News)
• Local officials in Nashville are set to vote today to reinstate Democrat Justin Jones to the Tennessee House after Republicans expelled him and Justin Pearson of Memphis last week over a gun safety protest. Pearson could be reappointed as soon as Wednesday ahead of special elections later this year. (The Associated Press)

Happening today (all in ET):

• 2 p.m. White House press secretary holds briefing. 

A California Law Limiting Gas Price Gouging Is Popular With Democrats and Republicans
Morning Consult

New Details on Intelligence Leak Show It Circulated for Weeks Before Raising Alarm
Yaroslav Trofimov et al., The Wall Street Journal

The secret documents were first posted in January to a small group on a messaging channel that trafficked in memes, jokes and racist talk.

Biden’s economic chief draws doubts over her Fed past
Ben White, Politico

Behind the scenes, Brainard has been taking a lead role in the administration’s efforts to deal with the failed banks and reassure depositors that their money is safe, according to half a dozen senior administration officials.

In big climate move, EPA set to unveil tough limits on auto emissions
Timothy Puko, The Washington Post

The proposal aims to speed the transition to electric vehicles, but could threaten to sour an alliance with U.S. automakers.

Ignore the courts? Some Democrats say Texas abortion pill ruling demands it.
Alice Miranda Ollstein, Politico

The Biden administration swiftly appeals abortion pill ruling as Dems split on going further.

US Navy Challenges Beijing in South China Sea Amid Taiwan Drills
Jon Herskovitz, Bloomberg

A US Navy destroyer passed through waters claimed by Beijing in the South China Sea in a show of force that comes as the nation’s military holds drills around Taiwan.

Biden Must Tread Rocky Path in Belfast Before Tending His Irish Roots
Mark Landler, The New York Times

President Biden, who has ancestral ties to Ireland, will mark the 25th anniversary of the Good Friday Agreement in Northern Ireland before heading south.

New IRA plotting bomb outrage to upstage President Biden’s Belfast visit
Ciaran Barnes et al., Belfast Telegraph

Police have uncovered a New IRA bomb plot aimed at eclipsing US President Joe Biden’s visit to Belfast to mark the 25th anniversary of the Good Friday Agreement.

Congress’s first 100 days: lots of heat, little fire
Casey Wooten and Savannah Behrmann, National Journal

Partisanship has made for a discordant Congress. With a debt-ceiling deadline looming, a solution seems elusive.

Can Congress Make an End-Run Around a Debt Limit Impasse? It’s Tricky.
Carl Hulse and Jeanna Smialek, The New York Times

Some Democrats are urging their colleagues to lay the groundwork for using an arcane procedural process to bypass Republicans and stave off economic peril.

Battle over Biden labor nominee Julie Su heats up
Nandita Bose, Reuters

The White House and the administration have been touting Su’s history of fighting for underpaid workers, while industry groups against her policies have begun to aggressively oppose her.

Alexandria Ocasio-Cortez wants Clarence Thomas impeached
Kanishka Singh, Reuters

Democratic U.S. Representative Alexandria Ocasio-Cortez said on Sunday she wants Supreme Court Justice Clarence Thomas to be impeached and his advisers probed after a media report described luxury trips he has taken over decades, funded by a Republican donor.

GOP embraces a new foreign policy: Bomb Mexico to stop fentanyl
Alexander Ward, Politico

Republicans suggest everything from terrorist labels to an invasion to decimate drug cartels in Mexico.

Blumenthal to undergo surgery after breaking leg at UConn Huskies parade
Lauren Sforza, The Hill

Sen. Richard Blumenthal (D-Conn.) said he will undergo surgery Sunday after he broke his leg after someone fell on him while participating in the UConn men’s basketball team parade.

The World Bank Is Getting a New Chief. Will He Pivot Toward Climate Action?
David Gelles and Alan Rappeport, The New York Times

Under pressure from world leaders, development experts and shareholders, the bank opens its spring meeting on Monday, poised for big changes.

Twitter fails to report some political ads after promising transparency
Jessica Piper, Politico

The platform started accepting political ads again in January.

How Stormy Daniels Sees It Ending
Olivia Nuzzi, New York

The long afterlife of a forgettable fling with a reality-television personality.

Trump’s legal priority will be seeking to dismiss his indictment, his attorney says
Megan Barnes, ABC News

Jim Trusty resisted reacting to Trump’s attacks on the judge and prosecutor.

As Trump dominates the airwaves, ‘it feels like f–king 2016’
Sally Goldenberg and Natalie Allison, Politico

Trump’s opponents are struggling to find a spotlight of their own in the 2024 campaign.

Trump’s response to criminal charges revives election lies
Michelle L. Price and Nicholas Riccardi, The Associated Press

Legally, the most important words former President Donald Trump said after he was charged with 34 felonies by the Manhattan District Attorney last week were “not guilty.” But, politically, the most significant may be “election interference.”

Biden’s 2024 campaign is starting to take shape, minus the announcement
Peter Nicholas et al., NBC News

With no major primary opposition, Biden has the luxury of launching the campaign on his own terms. But a looming clash with Republicans on spending is creating a time crunch.

Biden’s digital strategy: an army of influencers
Sophia Cai, Axios

President Biden’s not-yet-official bid for re-election will lean on hundreds of social media “influencers” who will tout Biden’s record — and soon may have their own briefing room at the White House, Axios has learned.

‘Not going to be bullied’: Why DeSantis went after Trump, then retreated
Hannah Knowles et al., The Washington Post

The Florida governor’s response to Trump’s indictment shows the challenge of going on the attack.

Senate GOP wants Trump to stay away from 2024 races as his legal woes mount
Alexander Bolton, The Hill

Senate Republicans, including members of leadership and even Trump allies, say former President Trump should stay out of the 2024 Senate primaries, hoping to avoid a repeat of last year’s disappointing midterm elections.

West Virginia’s high-stakes Senate race turns into a GOP proxy war
Allan Smith and Sahil Kapur, NBC News

Party elites are lining up behind preferred candidates to take on Democratic Sen. Joe Manchin, whose seat is poised to help decide control of the Senate.

Texas Governor Says He Plans to Pardon Man Convicted of Killing Protester
Eduardo Medina, The New York Times

Gov. Greg Abbott said he would forgo a prison sentence for Daniel S. Perry, who was convicted on Friday in the murder of Garrett Foster at a Black Lives Matter demonstration in 2020.

Will North Carolina Be the ‘Beginning of the End’ of the Medicaid Expansion Fight?
Sheryl Gay Stolberg, The New York Times

Intense patient advocacy, shifting politics, a determined Democratic governor and a handful of maverick Republicans led the state to join 39 others that have expanded Medicaid.

Iowa won’t pay for rape victims’ abortions or contraceptives
The Associated Press

Victim advocates were caught off guard by the news.

Utah’s Secretive Medical Malpractice Panels Make It Even Harder to Sue Providers
Jessica Miller, The Salt Lake Tribune

Prelitigation panels are meant to judge the merit of a complaint against a provider ahead of a lawsuit. But some attorneys see them as “nothing more than an obstruction” for victims.

Fraud hunters challenged 92,000 voter registrations in Georgia last year
Jane C. Timm, NBC News

The vast majority were unsuccessful, but a 2021 law allows for such mass challenges that drown election workers in paperwork and threaten voting rights.

Hounded by baseless voter fraud allegations, an entire county’s election staff quits in Virginia
Jane C. Timm, NBC News

In Buckingham County, four people quit their jobs after a feud between local Republicans and the general registrar consumed the small community.

DeSantis Pushes Toughest Immigration Crackdown in the Nation
Miriam Jordan, The New York Times

The Florida governor is pushing an aggressive proposal to penalize those who aid undocumented immigrants and to track costs for providing them with health care.

Ron Conway to convene tech execs on AI policy
Ashley Gold, Axios

Prominent tech investor Ron Conway’s firm SV Angel will convene top staffers from AI companies in San Francisco on Wednesday to discuss AI policy issues, a source familiar with the group told Axios.

Why has peace endured in Northern Ireland? Hope and history rhymed.
Bill Clinton, The Washington Post

Twenty-five years ago, British Prime Minister Tony Blair and Irish Taoiseach Bertie Ahern signed the Good Friday Agreement, achieving peace in Northern Ireland after three decades of sectarian violence known as the Troubles claimed more than 3,500 lives.

The most overtly Irish president since Kennedy gets the trip of a lifetime
George E. Condon Jr., National Journal

JFK called his visit to his ancestral homeland the three happiest days of his life. Biden hopes to match him during his travels this week.