A series of lawsuits challenging former President Donald Trump's ability to run for his old job raise the question of what, exactly, is an insurrection. A rarely used section of the Constitution says no one who swore an oath to the document but then “engaged in insurrection” against it can hold higher office. Liberal groups are citing that in an effort to keep Trump off the ballot in Colorado, Minnesota and other states. They argue that the Jan. 6 attack against the Capitol was an insurrection. But there's a debate over how to define that word — or even which definition to use.
