As John Cornyn and Ken Paxton duel in the Republican runoff for a Senate seat currently held by Cornyn, Jack Fink takes a closer look at if Cornyn can still win even without President Donald Trump's endorsement.

After receiving a coveted Senate endorsement from President Trump last week, Texas Attorney General Ken Paxton took an early victory lap. Paxton released an ad touting the endorsement before quickly pivoting to one targeting Democratic nominee James Talarico.

"The truth about him, his own words describing his views that match California views, not Texas views," Paxton said. "When he talks, it's scary." Paxton said he plans to spend the

Senator John Cornyn is facing a runoff challenge from Texas Attorney General Ken Paxton. He shares his plan to win with Jack Fink.

While Ken Paxton has received the endorsement for President Trump in the runoff against incumbent senator John Cornyn, the current Texas Attorney General's supporters tell Jack Fink why they're choosing Paxton even with his legal and marital troubles.

Since President Trump endorsed Ken Paxton in Texas' Republican Senate runoff, incumbent Sen. John Cornyn has been all but written off. But political history warns against calling races too early.

Nearly 14 months and $135 million later, Texas’ blockbuster Republican Senate primary will finally be decided Tuesday.

Sen. John Cornyn has made electability a key part of his re-election campaign against a challenge from Texas Attorney General Ken Paxton.