What does Barack Obama need to do in order to hang on to his lead and win on Election Day? Should John McCain keep hammering Obama on the economy or branch out to issues that benefit him more? How effective has Joe the Plumber been for McCain? Has Obama been hurt by his own running mate’s prediction of a crisis if they are elected? And just how tough is the electoral math for John McCain? We ask former USA TODAY White House Correspondent Richard Benedetto.
