SAN ANTONIO (AP) — Few Republicans in Congress have publicly criticized President Donald Trump like Will Hurd of Texas, who didn't vote for him in 2016 and won't say if he will in 2020. But next week on Election Day, Hurd could end up helping save him.

One of just three black Republicans in Congress, Hurd drew national attention this summer for accusing Trump of "standing idle on the world stage" and being manipulated by Russian President Vladimir Putin. He represents a Hispanic-majority district won by Hillary Clinton in 2016, which, in this deeply divisive election year, should point to him...