Just wanted to make a note here to remind everyone that the Obamacare legislation did NOT include a SEVERABILITY CLAUSE which legally means that if SCOTUS strikes down the mandate, then the entire law SHOULD be scrapped, immediately.
That's not quite true. While a specific decision not to include a severability clause is a relevant factor to consider, the court can still strike down a portion of a law if it can be done so in accordance with the blue pencil doctrine.