Chaos In Tejas 2008 kicks off this evening at Emo’s with Roky Erickson & The Explosives headlining the outside stage. Erickson has had a storied if troublesome life -- he was an instrumental force in the psychedelic music revolution in Texas in the 60’s with the 13th Floor Elevators, he then battled mental illness and had some run-ins with the law, and in the 80’s, he apparently claimed to have been possessed by a Martian. Erickson’s career returned to some sense of normalcy in the 90’s and by 2005, he was back in the limelight, performing at the 2005 Austin City Limits Music Festival with The Explosives....