President Trump says he has a “big decision” to make about Iran in his address to the United Nations General Assembly. Steve Kornacki breaks down NBC News’ latest poll showing Trump’s approval hitting a second-term low. Kamala Harris campaigns with Abdul El-Sayed in Michigan. Rep. Debbie Wasserman Schultz (D-Fla.) and Sen. Shelley Moore Capito (R-W.Va.) join Meet the Press NOW to discuss the Congressional Women’s Softball game.