Trump Republican ERUPTS at CNN reporter for calling him a liar on live T.V.

He refused to sit there and take it anymore - "Excuse me?! You don't know what you are talking about at all!"

President Trump's former Homeland Security Secretary Chad Wolf clashed with CNN host Brianna Keilar over Biden’s undeniable negligence in letting millions of illegal migrants cross into the U.S. during his four-year term.

He goes off when she crosses the line…