Some funny new details emerged yesterday in the trial of the retired cop infamous for aggressively silencing noisy passengers on the Long Island Railroad. John Clifford stood accused of assaulting a woman whose hand he twice slapped in March 2007 after she tried to intervene in his scolding of cell-phone talker Nicholas Bender. And if Jerry Seinfeld is looking for material for his new TV series, he’s got all the fodder he needs in yesterday's......