Sarah Palin, former governor of Alaska and 2008 Republican vice presidential candidate speaks at a "Patriots in the Park" Tea Party rally at the Wayne County, Mich., fairgrounds in July. Bill Pugliano/Getty Images hide caption

itoggle caption Bill Pugliano/Getty Images

Who will be Romney's VP? The naming of his running mate is likely going to come in mid-August, after his foreign trip and the conclusion of the Olympics. Ken Rudin collection hide caption

itoggle caption Ken Rudin collection

Former Alaska Gov. Sarah Palin stands near her tour bus outside a hotel in Boston on June 2. Steven Senne/AP hide caption

itoggle caption Steven Senne/AP