An Obamacare scorecard Part 1: What's gone, what's on hold, and what's still in place

For all the controversy about the Affordable Care Act, confusion and lack of knowledge among the public is still widespread. Meanwhile, it keeps changing, as portions are altered, fixed, or dropped. After all those changes, what is Obamacare, exactly? What is out, what is on hold, and what is still standing in this large and controversial law? What are Obamacare's plusses and minuses so far? Part 1 of a two-part scorecard.