USA

The president’s choice of Senator Markwayne Mullin of Oklahoma to replace her at the Department of Homeland Security could trigger a cascade of aspirants for his seat.

A suspect was detained in Colorado a day after two women were found dead on a hiking trail, and a third at a residence in Wayne County, the authorities said.

The opening days of the conflict are challenging the idea that President Trump can project force abroad while safeguarding American lives and the economy.

Texas voters will revisit the Republican Senate primary — and some House races where no candidate captured more than 50 percent of the vote — in runoffs on May 26.

The veteran Texas senator faces what promises to be a bruising runoff with the state attorney general challenging him from the right. But he had a stronger showing than expected.

Here’s the latest.

Tired of Democrats who were siding with Republicans in the legislature, liberal groups took aim at three in the primaries and beat each of them.

President Trump is backing numerous candidates running for re-election but has stayed quiet on a few key races.

A jury found that Colin Gray, the father of the suspect, bore criminal responsibility for the attack at a Georgia school by failing to heed warnings of his son’s struggles.