One of Vice President Kamala Harris’ “most trusted” senior advisors has a shocking prediction for a campaign shake up against Donald Trump. Harris campaign senior adviser for communications Brian Fallon revealed some of his predictions in an interview with Politico. According to the outlet, Fallon recently gave an interview with thePlaybook Deep Dive podcast in which he “laid out how the Harris campaign was approaching the final sprint to the election, including its efforts to overtake Donald Trump on the issue of the economy and why he thought there might still be one more presidential debate…