Pete Buttigieg is dropping out of the Democratic presidential race, two aides confirmed to NBC News on Sunday, ending a campaign that enjoyed a meteoric rise and outshone more experienced competitors but ultimately fell short after being dogged by a lack of minority support. The former mayor of South Bend, Indiana, was supposed to travel to Texas but will instead return to Indiana, where he planned to make an announcement later Sunday night. It isn't clear who Buttigieg's supporters will now back or whether he will endorse one of the remaining candidates. Representatives of both the Buttigieg and Biden campaigns...