Bernie Sanders Blasts Liberal Think Tank CAP in Scathing Letter

Mike Blake/ReutersSen. Bernie Sanders (I-VT) wrote a harshly-worded letter to a liberal think tank this weekend, accusing the organization of "using its resources to smear" him and two of his Senate colleagues currently running for the 2020 Democratic presidential nomination. The letter, obtained and first reported by The New York Times, was delivered on Saturday to the board of the Center for American Progress and the Center for American Progress Action Fund. This comes after ThinkProgress, a n