Dan Hartman, blames the Vx his son had to take to get back out on the ice

Ten months ago, Sean Hartman, a 17-year-old hockey player from Ontario, Canada, died suddenly. His father, a Canadian Trucker, Dan Hartman, blames the Vx his son had to take to get back out on the ice. But that's not what Dan's been told. In fact, he's being told very little of anything. Dan's…