Texas, responds to criticism from primary rival Ken Paxton and warns about Democratic candidate James Talarico on ‘Fox & Friends.’

Sen. John Cornyn is sharpening his attacks on Ken Paxton ahead of the Republican runoff, arguing Paxton’s controversies could put a longtime GOP Senate seat at risk in November.

Texas Attorney General Ken Paxton leads incumbent Senator John Cornyn on the eve of the state’s Republican U.S. Senate runoff election, a new poll from Quantus Insights shows on Monday. The race advanced to a Republican runoff after neither Cornyn nor Paxton won a majority in March,

Texans are choosing a Republican nominee for U.S. Senate in Tuesday’s runoff election, bringing to a close the extended, bitter and expensive primary where President

President Trump has endorsed Texas state Attorney General Ken Paxton, who now faces a Senate primary runoff with incumbent Sen. John Cornyn. CBS News' Ed O'Keefe reports.

It’s a hotly contested primary runoff between incumbent John Cornyn and Texas Attorney General Ken Paxton. Cornyn was first elected to the U.S. Senate in 2002 and is serving his fourth term. Paxton has been attorney general for the last 11 years,

See the latest results in Texas’s Senate primary runoff for Republicans as Sen. John Cornyn faces Trump-endorsed candidate Ken Paxton.

Incumbent Sen. John Cornyn and Texas Attorney General Ken Paxton will close out their Senate primary Tuesday in a runoff. CBS News' Fin Gómez breaks down the race.