Obamacare hit a pretty important milestone this weekend: The law is now 100 days away from its main provisions coming into effect. That means the administration is pretty much in an all-out sprint to set up an infrastructure by which millions of Americans will soon purchase insurance coverage. It's hard to understate the enormity of the task at hand for the Obama administration. It will be orchestrating the largest expansion of private health insurance in the country's history. That means there's a huge amount of work to be done over the next few months. There are at least 99 things that need to happen between now and October, and I've got a list to prove it.