The professor admits that the CIA used weather modification weapons during the Vietnam War

But the reporter quickly added "allegedly"

At first he says it's "experimental" but later on admits we used this technology during the war.

"Scientists and researchers may one day be able to manipulate rain and lightning using lasers. "CBS This Morning" contributor Michio Kaku, a physics professor at City College of New York, talks to Charlie Rose and Norah O'Donnell about the potential future of weather."