Who are the ad men behind some of the super PAC ads that have roiled the Republican presidential primary election? HuffPost reports, "Both Romney and Santorum, however, have been boosted by television ads from their respective super PACs, which, despite their crude visuals, came from two of the most sought-after advertising firms on the Republican side of the aisle in Washington.The men behind those firms, McCarthy Hennings Media and SRCP Media, have created some of the most notorious ads of the last 25 years.