“A plurality of Republican voters, 47 percent, said they believed Mr. Obama, who was born in Hawaii, was born in another country; 22 percent said they did not know where he was born, and 32 percent said they believed he was born in the United States.”
Poll Finds Few Favorites as G.O.P. Fight for President Gels – NYTimes.com
So, put another way, two-thirds of Republican voters, based on this poll, are ignorant or stupid. Or perhaps, ignorant and stupid.