Willie Nelson sent fans on an emotional ... He added: "I started smoking cedar bark, went from that to cigarettes to whatever. And that almost killed me. I don't smoke anymore – take better ...

In the meantime, Lukas Nelson and the Family Band ... In response to the significant lung congestion, Willie temporarily stopped smoking cigarettes, resuming when the congestion ended.

In the new documentary Jimmy Carter: Rock & Roll President, the 39th president confirms that, yes, country legend Willie Nelson did indeed smoke pot on the roof of the White House in 1978 ...