9/11 Commissioner States Attacks Were Part Of 30 Year Old Conspiracy

9/11 Commissioner Bob Kerry (Gov. Nebraska) was speaking on climate change at a conference.
After it ended, he was answering questions as he was walking to his next engagement. He stopped and talked for a few minutes to people of "We Are Change LA".
They talked about 9/11 and Kerrey claims 9/11 was a 30 year conspiracy.