On the ground with Trump in New Hampshire

PORTSMOUTH, N.H. -- A gloating Donald Trump was barely out of his helicopter before taking credit for President Obama releasing his long form birth certificate today.

"Today I'm very proud of myself, because I've accomplished something that no one else has been able to accomplish," he said, less than an hour after the White House released the document. "Our president has finally released a birth certificate."

Never one to shrink from the limelight, Trump took several questions about the birth certificate before addressing topics ranging from the uprising in Libya ("I would go in and take the oil") to the price of gas ("It's going up to six dollars a gallon as sure as you're standing here") to whether he would actually run for president. "I would love to do it for you, but I can't do it," he said, of an official announcement, taking the opportunity to mention that he had to wait until his reality show, "Celebrity Apprentice," had ended its season.

"When the show is over, I will then be free to announce," he said. "I think you'll be surprised what my announcement will be."

What wasn't surprising was his big entrance. On his first visit to an early voting state, Trump arrived by personal helicopter and walked directly to the microphones set up in a hangar. In case there was any doubt about who was on board, the numerous members of his security team and the T-R-U-M-P emblazoned on the chopper's side gave it away.

While he isn't an official candidate yet, you wouldn't know it from his schedule. After his press conference, the real estate magnate made a stop at a local diner, where he asked a number of people, "You going to vote for Trump?"

He also stopped by a local military contractor where he posed for pictures and gave a short speech slamming Obama. "Our president is grossly incompetent," he said to a crowd of about 50 employees at Wilcox Industries.

A recent Dartmouth poll here In New Hampshire shows Obama beating Trump in the state by over 20 points, but the businessman has gained some momentum for the Republican nomination.

If Trump ran in the New Hampshire primary race today, he would attract 21 percent of the vote, according to Public Policy Polling. That's second only to former Massachusetts governor Mitt Romney, who comes in at 27 percent.

Below: CBS News' Bob Schieffer, Chip Reid and Bill Plante discuss the timing and reasoning behind the White House's decision to release President Obama's birth certificate.