This week features a one-on-one interview with Rock &: RollHall of Fame singer and songwriter John Mellencamp, whose19-date tour "Dancing Words – The Greatest Hits" beginsthis summer. This week's panel discussion includes ChrisChristie, former Republican governor of New Jersey and ABCNews contributor; and Chrystia Freeland, former Canadiandeputy prime minister and finance minister, and currenteconomic advisor to Ukrainian president Volodymyr Zelenskyy.