"There has never been a greater betrayal by a president of the United “ States of his office and his oath to the Constitution," said Rep. Liz Cheney (R-WY) in announcing she would vote to impeach President Trump.
Cheney is the third-ranking member of her party's leadership in the House, and the daughter of former Vice President Dick Cheney. So her defection is significant, and signals a seismic shi…