Half of Republican Primary Voters Think Obama Was Born Abroad 8.32K Jim Newell 02/15/11 06:13PM Filed to: Crazies Crazies Birthers Polls Appic Tweetg Fb Public Policy Polling finds that 51 percent of Republican primary voters nationwide think President Obama wasn't born in the United States. Maybe some just responded that way for fun. But 51 percent is... a lot of percent.