PREVIEW: Dateline On Assignment June 17

01:09

David Letterman sits down with Tom Brokaw in his hometown of Indianapolis, IN where he speaks candidly about Donald Trump and shares memories of Johnny Carson. Lester Holt embeds with a special community police unit in one of the toughest neighborhoods in the country – Watts, South Los Angeles. Kate Snow reports on a drug industry insider, Steven Francesco, whose son died suddenly from a rare side effect of taking antipsychotics. Airs June 17 at 10/9c.