A recent Daily Kos/Research 2000 poll found that 58 percent of Republicans, mostly concentrated in the South, either don’t believe or aren’t sure Obama is a citizen.
It gets better. If you ever wanted more reason to let them secede, this is it. They have literally left reality behind.
Birth of a Notion: Implicit Social Cognition and the "Birther" Movement (ScientificAmerican.com)