Risk corridor explained by WSJ:
http://blogs.wsj.com/washwire/2014/01/22/explaining-risk-corridors-the-next-obamacare-issue/
Thanks for the link. The insurers can still lose money, but the govt will pay a big chunk of their losses. This will only last until 2016, then the insurers are on the hook for all the losses.....so...they will raise rates.