… on implementing two of the key components of the Affordable Care Act – expansion of Medicaid eligibility and health insurance exchanges.
I think the ones on this map that surprise me the most are Kentucky leaning toward expanding Medicaid and Mississippi choosing to set up a state based insurance exchange.

Excellent chart of the States progress.
correction to the above map. As of November 29th, Missouri has agreed to expand Medicaid eligibility per the Affordable Care Act
Another correction – New Jersey Governor Chris Christie announced today that New Jersey will not run a state-based insurance exchange…
http://online.wsj.com/article/SB10001424127887324640104578163472627893586.html?
Idaho announces it will run a state-based insurance exchange