Mike Bloomberg just made the debate. Can he keep his cool?

Mike Bloomberg just made the debate. Can he keep his cool?-politico: Mike Bloomberg’s free-spending campaign rollout has rocketed him into contention for the Democratic nomination, but he now faces a challenge immune to his fortune. The multi-billionaire qualified early Tuesday for the nationally televised debate in Las Vegas Wednesday night, clocking in at 19 percent in a new NPR/PBS NewsHour/Marist poll, good for second place behind only Sen. Bernie Sanders. But making the debate stage threatens to lay bare one vulnerability Bloomberg's wealth cannot guard against: himself