Justice Anthony Kennedy said state insurance exchanges could collapse without federal subsidies to offset the costs of insurance
Supreme Court heard an hour of oral arguments in an Obamacare challenge, will cast votes Friday, and release a decision this summer
Conservatives say law was written to deny subsidies to people in states that decided not to set up their own insurance marketplaces
The White House insists Congress meant to treat everyone equally
As many as 8 million people could lose their insurance without the subsidies, which lower the cost of insurance
GOP wants to replace subsidies with temporary financial assistance, and then new state-based systems they say would be more competitive
White House is ‘quite pleased’ with its solicitor general’s arguments