Oct. 7 (UPI) -- U.S. Rep. Wesley Hunt said Monday he will challenge fellow Texas Republican John Cornyn for his Senate seat, adding another layer to what's expected to be one of the GOP's most combative intraparty fights. Hunt, one of the first Black Republicans to represent Texas in Congress, announced his candidacy in a three-minute video posted to X that highlighted his military service, upbringing and interracial marriage. Cornyn is already trying to fend off what's been a formidable