NO JOKEPresidential material?http://2012.talkingpointsmemo.com/2011/10/herman-cain-wants-electrified-border-fence-to-kill-illegal-immigrants.phpIf Herman Cain becomes president, he’ll build an electrified border fence that could kill Mexicans who try to illegally cross into the U.S., the Republican candidate said Saturday. . . . [read on!]Now he says it was a “joke” http://