On Wednesday's Morning Joe, Mika Brzezinski served up a shocking bit of selective skepticism as scandals continued to engulf Maine Democratic Senate nominee Graham Platner. After John Heilemann stated that Platner had "lied" to prominent Democrats like Elizabeth Warren and Bernie Sanders in saying that no more damaging revelations were coming, Brzezinski jumped in. "All right. Well, first of all, just to one of the points Heilemann made, we don't know if he lied to Democratic leaders.