Heinz Seeks to Disavow Kerry Connection By CHARLES SHEEHAN, AP Business Writer PITTSBURGH - H.J. Heinz Co. has launched an election-year campaign of its own, this one to distance the ketchup maker from what is shaping up to be an acrimonious presidential race. The company has sent nearly 50 letters to radio and television talk shows nationwide to tamp down chatter on the airwaves and Internet suggesting revenue from ketchup sales will benefit the campaign of pending Democratic presidential nominee John Kerry (news - web sites). His wife is Teresa Heinz Kerry, heiress to the $500 million family ketchup fortune....