Texas Attorney General Ken Paxton is suing over the election results in Pennsylvania, Michigan, Wisconsin and Georgia, four battleground states that helped swing the race for President-elect Joe Biden. Michigan's attorney general called it a "publicity stunt." CBS News 2020 campaign reporter Adam Brewster joins CBSN's "Red & Blue" host Elaine Quijano to discuss what Paxton is arguing, and where the lawsuit could be headed.