Cassidy Loses Senate Primary in Louisiana, as Trump Vanquishes G.O.P. Foe

Senator Bill Cassidy, a two-term Republican who voted to convict President Trump in his 2021 impeachment trial, took a veiled swipe at Mr. Trump, saying power should not focus on “one individual.”

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.

Gov. Janet Mills Exits Maine Senate Race as an Insurgent Democrat Rises

Her withdrawal reflects the energy of the party’s left and voters’ unease with older candidates and paves the way for Graham Platner to challenge Senator Susan Collins in November.

How Talarico Won Texas Democrats With Love, Luck and a Little Restraint

A carefully disciplined campaign that capitalized on viral media, months of organizing and strong outreach to Latino voters helped propel James Talarico to the center of Texas politics.

Younger Democratic Candidates Bring New Energy, but Also New Risks

A youth movement in Iowa is aiming to appeal to voters who have abandoned Democrats in the Trump era. There are pitfalls for people who grew up sharing everything online.

In Illinois Senate Race, Old Grudges and a Test of Pritzker’s Power

Few policy differences have emerged among the Democrats vying to replace the retiring Senator Richard J. Durbin, while Gov. JB Pritzker’s influence looms large.