As I have written about in columns and testimony, the most significant challenge to Obamacare was never Hobby Lobby but Halbig vs. Burwell that has been pending in the D.C. Circuit. I described Halbig in my testimony as a live torpedo in the water for Obamacare. Well, that torpedo just hit. The D.C. Circuit has found that the Obama Administration effectively rewrote the law on a critical provision dealing with tax credits and state exchanges. It is another major blow against the Administration and more importantly another judicial finding that President Obama is violating the Separation of Powers in his effort to “go it alone” in ordering such changes to federal laws.