J.P. Morgan has enemies all over Wall Street: rival firms like Goldman Sachs, spurned former employees like Ina Drew, and those who are just jealous of how rich and fabulous Jamie Dimon is. (Looking at you, Corbat.) But the House of Dimon acquired a new nemesis last week, and this one could take the whole ship down if they're not careful. According to the Post: When [Justin Bieber] and his crew hit Susan Sarandon’s ping-pong club SPiN Wednesday, they were directed to a private room away from the masses, but told they’d have to give up the space at 6:30 p.m. for a private party. When the time came, a spy says, a SPiN ... (full story)