From CNN.com:
“Possibly-serious Republican presidential candidate Donald Trump is giving few details about the investigation he claims to have launched in Hawaii to get to the bottom of where President Obama was born, but the business mogul told CNN Thursday Americans will be “very surprised” by what he has found.
“‘We’re looking into it very, very strongly. At a certain point in time I’ll be revealing some interesting things,’ Trump said on CNN’s American Morning.
“Trump first claimed earlier this month he had sent investigators to Obama’s home state in an effort to find out if the president was indeed born there, as he says he was and several media organization’s independent investigations have confirmed.
“‘I have people that have been studying it and they cannot believe what they’re finding,’ Trump told NBC then.”
Here is an interview with Trump on CNN about the “birther” issue: