O'Rourke endorses Biden at Dallas rally on eve of Super Tuesday, as ex-VP appears to offer gun-control role

Former Vice President Joe Biden enthusiastically accepted the endorsements of onetime rivals Pete Buttigieg and Amy Klobuchar at a rally in Dallas Monday night, in a sign that the Democratic party's moderate wing was rallying behind Biden after his emphatic victory in Saturday's South Carolina primary. 

source https://www.foxnews.com/politics/biden-rally-texas-buttigieg-klobuchar-endorsement