R-wing hypocrisy: I got mine and you can't have it!
Santorum's Hypocrisy Highlighted by Daughter's Illness - Yahoo! News
Santorum's Hypocrisy Highlighted by Daughter's Illness - Yahoo! News
It's also easier for him to oppose it because he has the best health care in America available to him and his family -- provided at taxpayer expense, no less. He never had to consider whether care for a terminally ill child would destroy his family financially.
Unless the U.S. enacts a national health care plan most families will never be able to afford the care needed for a child with Trisomy 18. Santorum's family will never lack for health care or face crippling medical debt -- but as far as he's concerned it's fine for your family to have those problems.