Bernie Sanders briefed that Russia is trying to help his presidential campaign
washingtonpost.com
washingtonpost.com
Sanders being the most radical left makes him an obvious one to support, him getting elected would stir the right's "OMG, not socialism!" pot about ten times more than any other candidate. Support for Sanders may not even be about low electability, but about ensuring the two parties are as split as humanly possible, regardless of who actually ends up winning.