HUNTSVILLE, Texas (AP) — A North Texas man who experts for both prosecutors and defense attorneys have said is intellectually disabled faced execution Thursday evening for the death of a retired college professor after the U.S. Supreme Court lifted a stay that had put it on hold. If Edward Busby receives a lethal injection as scheduled, he would be the 600th person executed in Texas since the state resumed carrying out the death penalty in 1982. Busby’s execution had been in doubt after the 5th