Donald Trump Beats The Birther Drum Again: 'Was There A Birth Certificate?' (VIDEO)

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DONALD TRUMP
ABC News

Give Donald Trump points for persistence -- if not for anything else.

On ABC's "This Week" Sunday morning, Trump insisted yet again that the issue of Barack Obama's birth certificate is up for debate, telling Jonathan Karl:

Was there a birth certificate? You tell me. Some people say that was not his birth certificate. I’m saying I don’t know. Nobody knows.

No, Donald. We actually do know.

WATCH:

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