How Katy Tur tried not to react to Trump’s personal attacks on the campaign trail

NBC correspondent Katy Tur had never covered a presidential campaign before being assigned to Donald Trump. But she soon became the face of Trump’s seething attacks on the media -- and a potential target for his supporters. We talk with Katy Tur about the Trump campaign and her new book “Unbelievable.”

Katy Tur is author of "Unbelievable." Photo by Elena Seibert.