Rep. Steve King (R., Iowa) makes the claim that President Obama’s birth announcement may have been sent by telegram from outside the U.S. to Hawaii.

On Sean Hannity’s radio show, Donald Trump asserts that birther Sheriff Joe Arpaio’s “is a serious person” as a justification for accepting the sheriff’s discredited conclusions.

Donald Trump’s latest dismissal of the evidence that Barack Obama was born in Hawaii demonstrates the powerful hold that the birther conspiracy theory has on him. What would persuade Trump that President Barack Obama (D) was indeed born in the United States?