http://dkarim.com/bb.php Herman Cain’s campaign manager, Mark Block, of cigarette ad fame, just backed off his very public charge that Texas Governor Rick Perry’s campaign was responsible for this week’s stories about sexual harassment charges levied against Mr. Cain in the 1990’s.  Yesterday, Messrs. Block and Cain slammed Perry in separate television appearances, with Block calling for a national apology from Mr. […]