The party is putting up a costly defense of states and districts that President Trump won easily in 2024. And in places like Georgia, strategists wonder if it’s too late.

The Senate GOP’s top PAC is diving into Kansas, a sign that the deep-red state is in play amid a worsening political environment for Republicans.

The Supreme Court has blocked a federal judge’s decision about Missouri’s voting map, further throwing the state’s election into chaos. The nation’s highest judiciary issued an order in the pending ...