Tipsheet McCain Polls 50% Carol Platt Liebau | September 14, 2008 5:23 PM Today's Rassmussen poll shows John McCain reaching the 50% mark for the first time since Barack secured the Democrat nomination.When Barack managed the same feat back in August, it was widely reported, including in USA Today and Politico.Wonder if McCain's breakout will be as well publicized? Don't. It won't.