Busy day for Bill Cosby, and not in a good way. Today he was compelled, for the first time in about a decade, to answer questions under oath about allegations he sexually assaulted a woman in 1974 at the Playboy Mansion, when she was a minor. Meanwhile, a Massachusetts federal court today ixnayed (read the ruling here) his bid to get dismissed a libel lawsuit being brought against him by three other women, who also claim Cosby assaulted him, but who can’t sue him owing to…