Sen. John Cornyn (R-Texas) on Sunday said his relationship with President Trump is different from the "Cassidy and Massie situation," referring to Sen. Bill Cassidy (R-La.) and Rep. Thomas Massie (R-Ky.), who both lost Republican primaries to Trump-endorsed candidates. Cornyn told NewsNation's Chris Stirewalt that he does not think Trump's endorsement of Texas Attorney General... ...read more read less