ABC News – Billionaire casino mogul Sheldon Adelson has lost a defamation lawsuit against the National Jewish Democratic Council. Adelson asked for $60 million in damages, arguing the council libeled him by saying his political contributions were sullied by links to prostitution. On Monday, a federal judge in Manhattan found that the council’s speech was protected. Adelson, whom Forbes ranks as the ninth-richest American, is chief executive officer of the Las Vegas Sands Corp. and a major Republican donor. The lawsuit accused the council of “assassinating” Adelson’s character by suggesting he personally approved of prostitution in resorts owned by Sands…