well despite all the proof disputing their theory there's a new cnn poll finding that a lot of americans still believe that president obama is not a natural-born u.s. citizen. brian todd is taking a look at the numbers and laying out the facts this morning. >> reporter: there's no credible dispute. officials in hawaii released a copy of president obama's birth certificate. it was authenticated by the state's republican governor. a honolulu hospital posted newspaper announcements of his birth. cnn and other news outletters have thoroughly debunked the rumors. and the white house has squarely addressed those who doubt that mr. obama was born in the u.s. >> i have news for them and all of us, the president was born in honolulu, hawaii. >> reporter: but despite the overwhelming evidence, a quarter of americans remain skeptical. a new cnn research corporation poll shows 11% says president obama was definitely not born in the u.s. another 16% saying he probably