judge in texas is saying that the mandate is unconstitutional. so in his opinion, the entire law is invalid. we're joined now by cnn supreme court reporter arian devogue. states, are vowing to appeal this ruling. tell us how we got here. >> it was really a broad ruling. not only does he strike down the individual mandate, he says the whole thing has to go away. and keep in mind this is one district court judge and it will be appeal and he said the law will remain in effect for now pending the appeals. it was a broad ruling. i can help you a little bit to understand where it came from if you look at the history of the supreme court. it was only in 2012, that the supreme court upheld the individual mandate. and it was that controversial vote with chief justice john robert, remember the one that stunned conservatives and he said that it was okay under the taxing power, so then you fast