this for us, and it is significant political ramifications from the poll. >> well, there are, wolf, when you consider the sheer percentage of people who believe that either the president was not born in the u.s. or that he probably wasn't. it is a sizable enough percentage to raise questions about the president's overall support for re-election and even though the theory itself has been shotdown. >> reporter: there is no credible dispute, officials in hawaii releaseded a copy of president obama's birth certificate, and authenticated by the state's republican governor, and honolulu hospital posted newspaper announcements of his birth, and cnn and other news outlets have thoroughly debunked the rumors and others have squarely said they are rumors. >> i have news, the president was born in hawaii. >> reporter: but despite the evidence, one forth of americans