Unresolved tension? Nah. From where we're sitting, Presidents Obama and Clinton are total BFFs. Obama joked about the Clinton's much-praised DNC speech in address to supporters in St. Petersburg, Fla. on Saturday.“After he spoke, somebody sent out a tweet that said “you should appoint him 'secretary of explaining stuff.' I like that!" he said, then added, "I have to admit, it didn't say 'stuff'.