Democratic Senate candidate Graham Platner unveiled a plan during an interview on Thursday to “shut this White House down” so that the Trump administration is not able to function. “Something we’re going to have to do if we’re in the majority [is] we need to use the power we get to shut this White House down,” Platner told MS NOW host Jen Psaki during “The Briefing.” “We do that, I think one of the best ways is through committee hearings and investigations. I want the Trump Administration not to function, because everyone in the White House is being hauled under subpoena in front of a Senate committee, day after day after day, not just because one, we have so many crimes to investigate at this point, We could probably be doing this for the next 30 years.” Platner said the Democrats need to adopt a “theory of power,” and establish goals. “I think we need to understand that the Democratic Party needs to form a theory of power. I don’t think it’s had one for a long time,” he said.…