Democratic state Rep. James Talarico will face Trump-backed state Attorney General Ken Paxton in November's Senate race.
Republicans have attacked Talarico over past comments about gender and diet, trying to paint him as outside the mainstream.
The Presbyterian seminarian has centered his campaign on fighting corruption.
AI-generated summary was reviewed by a CNN editor.
James Talarico, the Democratic nominee for Senate in Texas, is back in the national spotlight after Republicans picked their standard-bearer for the race on Tuesday.
