Trump has floated invoking the Insurrection Act. What would it allow him to do?

White House officials have held increasingly serious discussions in recent days about President #Trump invoking the #InsurrectionAct, a rarely used 19th century law that gives the president the power to deploy active-duty troops inside the U.S. for #lawenforcement purposes, five people with knowledge of the talks told NBC News. Gary Grumbach breaks down what the law would allow Trump to do.