For a few hours yesterday, the lead story at Chron.com gravely warned Houstonians on the dangers of mixing generators and video games. Researchers at the University of Texas Health Science Center at Houston evidently found that this happened often in the blacked-out weeks in the wake of Hurricane Ike, and issued a press release saying so, and the Chron's Cindy George ran with it. "Many children treated for carbon monoxide poisoning in the powerless days after Hurricane Ike took ill while playing