CBS Blames Global Warming for Harsh Winter Weather By Kyle Drennen Created 02/13/2014 - 11:11am As a snow storm beared down on the east coast on Thursday, CBS This Morning sought to lay blame on global warming, with the headline on screen fretting: "Extreme Weather; Are These Kinds of Storms, Droughts Unprecedented?" Co-host Charlie Rose turned New York City College physics professor Michio Kaku and wondered: "What's causing all this?" [View video after the jump] Kaku proclaimed: "Well, the wacky weather could get even wackier. What we're seeing is that the jet stream and the polar vortex are becoming unstable....