Responding to warnings of potentially violent demonstrations, governors across the nation are calling out National Guard troops, declaring states of emergency and closing their capitols to the public ahead of President-elect Joe Biden's inauguration next week.

Though details remain murky, demonstrations are expected at state capitols beginning Sunday and leading up to Biden's succession of President Donald Trump on Wednesday. State officials hope to avoid the type of violence that occurred Jan. 6, when a mob of Trump supporters stormed the U.S. Capitol, leaving a Capitol Police officer and fou...