USA TODAYGingrich thanks supporters ahead of quitting raceUSA TODAYBy Catalina Camia, USA TODAY Newt Gingrich is thanking his supporters in a new video posted a day before he formally ends his bid for the GOP presidential nomination. The former House speaker never mentions presumptive GOP nominee Mitt Romney in his ...Gingrich thanks campaign supporters in new videoThe Associated PressRomney's GOP rivals seek help, assurances in exchange for supportFox NewsSantorum wants promises from Romney before backingOcalaall 307 news articles »