Tipsheet USA TODAY/Gallup McCain Leads By 10 Among Likely Voters Carol Platt Liebau | September 07, 2008 10:15 PM It isn't over 'til it's over, but a new USA Today/Gallup poll shows McCain leading by ten points among likely voters.Note that the poll was taken over the weekend -- not, traditionally, great for Republicans.Update: Amanda's posted on this below.