Former President Donald Trump is facing a backlash after calling one of the most conservative members of Congress a RINO who should be primaried—one week after the filing deadline. Trump blasted Rep. Chip Roy (R-Texas), a member of the conservative House Freedom Caucus, on Truth Social after the congressman endorsed Trump’s rival, Florida Governor Ron DeSantis, for president. “Has any smart and energetic Republican in the Great State of Texas decided to run in the Primary against RINO Congressman Chip Roy,” Trump wrote. “For the right person, he is very beatable. If interested, let me know!!!” Trump’s comments appeared to...