A source sends over this screenshot of a Google search from yesterday, with a promoted Cain ad showing up when users in Iowa search “Ginger White.” It’s not the first time the Cain campaign has used online and social-media advertising to its advantage. The New York Times noted the campaign’s use of a promoted tweet during the initial round of sexual harassment allegations: Not long after Politico broke the story of the harassment accusations on Oct. 30, Mr. Cain’s campaign took to Twitter to help rebut them