John Mellencamp, Chris Christie, Chrystia Freeland

This week features a one-on-one interview with Rock & Roll Hall of Fame singer and songwriter John Mellencamp, whose 19-date tour "Dancing Words – The Greatest Hits" begins this summer. This week's panel discussion includes Chris Christie, former Republican governor of New Jersey and ABC News contributor; and Chrystia Freeland, former Canadian deputy prime minister and finance minister, and current economic advisor to Ukrainian president Volodymyr Zelenskyy.