Former U.S. Rep. Liz Cheney (R-WY) called out former President Donald Trump’s Republican donors this week for supporting a man she accused of threatening the Constitution and attempting to overturn the 2020 presidential election. Cheney spoke at Vanderbilt University Tuesday about the Jan. 6 attacks on the U.S. Capitol, the future of the two-party system and Trump, according to an in-depth report from the student newspaper. “I think every Republican donor who’s giving him money needs to be held accountable for the fact that they’re giving money to someone who has said, publicly, he thinks we c…