Two pieces of important evidence broke on Sunday. First there was #MopSecret. Having the Filipina maid print classified documents was egregious stupidity topped off with very bad optics. (2) The Comey letter. A more blatant example of political chicanery is hard to imagine. That got the base fired up and pushed a lot of undecideds our way.
What Comey did on Sunday was a “Tell”. No candidate in the lead would have done something that risky - with the potential for highlighting your bad legal and ethical issues - if they were in the lead as all the gaslighting media and their polls said.
Someone in the lead does not do something that risky and with such potential for backfire. If you are ahead you cruise. That was Hillary’s Tell...in the poker game, she gave her hand away.