Exclusive: Man behind 2016 Trump Tower meeting with Russians speaks out

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Rob Goldstone, the British music publicist who helped set up the June 2016 Trump Tower meeting between Russians and members of the Trump campaign team, says he wishes he'd listened to "the little voice in his head" that told him it wasn’t a good idea. In his first interview since he testified before Robert Mueller’s grand jury, Goldstone sits down with NBC's Cynthia McFadden to discuss the controversial meeting.