Matt Mowers is only 29, but the top Trump adviser has a long record of experience in rough-and-tumble politics. The former top aide to New Jersey Gov. Chris Christie talks about why he decided to join the Trump campaign, his behind-the-scenes work with Secretaries of State Rex Tillerson and Mike Pompeo, and his assessment of the president's re-election chances.

Matt also talks about his testimony for the prosecution in the infamous Bridgegate trial, and his thoughts on former colleagues who were sentenced to jail for their role in the scandal.