U.N. report warns of impact of carbon emissions on climate (September 25, 2019) Interviews 09/25/2019 MSNBC Velshi & Ruhle Ali Velshi Dr. Mann’s interview with Ali Velshi on MSNBC Velshi & Ruhle amidst the craziest news cycle in years. View the original at MSNBC Velshi & Ruhle