Brandon Herrera, long an anti-establishment outsider, is trying to help the party defend a red-leaning House district in West Texas. It’s proving messy.

A dubious post that spread on X became the basis of false claims that Iran’s leadership had declared it a nuclear power.

As part of its expansionist approach to the Western Hemisphere, the Trump administration is trying to reassert its dominance, one U.S. visa at a time.