basically this is a procedural thing, a test to see if there's enough support to move it forward as ed henry was telling me, there likely is. and it is bitter cold throughout much of the country. in northwest indiana, dozens of cars have been trapped in snow drifts for hours, in some cases all night. and this area could get 10 more inches of snow today. a federal judge in virginia has ruled part of the obama administration's health care law unconstitutional. but it's an important part. cnn senior medical correspondent elizabeth cohen joins me now. elizabeth, it's not that it's unconstitutional for the government to tell everybody to insure themselves. it's unconstitutional to penalize them if they don't. >> right, because obviously you don't want to tell everyone to insure themselves. there's got to be some consequence, or else everybody's going to say, forget it. here's the big picture of what's happening. one of the main goals of health care reform was to help people with pre-existing conditions. because right now if you have a pre-existing condition, have cancer, heart disease, asthma,