Sean Hannity's Fox News show, Bachmann likewise claimed that Obama "should show his birth certificate" to settle the issue -- apparently unaware that he had done so in 2008. Similarly, it was clear from her appearance with Stephanopoulos that she was utterly unaware that the document he presented to her was the same birth certificate that Trump and other Birthers claim doesn't establish the president's native Hawaiian birth.

Trump first revealed he had some doubts that Obama was a U.S. citizen during an interview with ABC News' Ashleigh Banfield in March.