ActBlue C.E.O. Agrees to Testify Before Congress About Foreign Donor Vetting

The Democratic fund-raising group, which backs candidates up and down the ballot, has been the subject of scrutiny by Republicans.

What to Watch in Tuesday’s Primaries in Nebraska and West Virginia

Democrats will choose a candidate in a House battleground in Nebraska that could decide the fate of Omaha’s “blue dot” vote.

Virginia Officials Ask Supreme Court to Restore Voting Map Drawn by Democrats

State officials asked the justices to overturn a Virginia Supreme Court decision that struck down a congressional map, a major defeat for Democrats.

Supreme Court Agrees to Fast-Track Louisiana Voting Map Decision

Louisiana voters who successfully challenged the state’s voting map as an illegal racial gerrymander had asked the justices to quickly return the case to the lower courts, clearing the way for a new map.

Supreme Court Strikes Down Louisiana Map, Another Blow to Voting Rights Act

The court struck down the voting map as an unconstitutional racial gerrymander in a move that could make it harder for lawmakers to create majority-minority voting districts.

Every Black Republican Is Leaving the House, Erasing Diversity Gains

All four Black House Republicans are retiring after this year, a reflection of the striking and persistent lack of diversity in the G.O.P. ranks of Congress.

Combative, Defensive and Occasionally Contrite, Kennedy Walks a Fine Line

In four days of congressional testimony, the health secretary sought to please the White House and his MAHA base at the same time.

How the War Powers Act Could Pressure Trump to End the Iran War

A decades-old law allows the president to wage war without congressional approval for 60 days, then limits his options for continuing. President Trump may seek to get around it.

D.H.S. Will Run Out of Money for Paychecks in May, Secretary Says

The issue threatens to renew chaos at airports as lawmakers remain divided over a deal to end the two-month shutdown of the Department of Homeland Security.