Here is the opening to his piece:
Recent news coverage concerning Obamacare’s legal difficulties has been dominated by King v. Burwell, which challenges the controversial IRS decision to issue subsidies and penalties through federally created insurance exchanges in 34 states that refused set up PPACA “marketplaces.” The Supreme Court announced last month that it would take up King, and it will hear oral arguments in March. The alacrity with which the Court took up the case, upon which it will hand down a ruling in June, has rendered the law’s supporters nearly hysterical. But King is by no means the only legal threat Obamacare will face next year.As Catron notes, none of these are "frivolous" lawsuits. For more details, read the full text of his piece, "Obamacare's Coming Year of Living Dangerously".
Ironically, considering the number of apocalyptic headlines it has produced, King v. Burwell probably presents less danger to the “reform” law than either of two additional lawsuits the Court could take up in 2015. The justices have already received a cert petition to hear Coons v. Lew, whose plaintiffs hold that Obamacare's Independent Payment Advisory Board (IPAB) constitutes a violation of the separation of powers doctrine. And it is a virtual certainty that the Court will also be asked to take up Sissel v. HHS, which challenges the law on the grounds that its passage violated the Constitution’s origination clause...