Description:Reason TV's Damon Root attended the second day of oral arguments, before the Supreme Court, on the Patient Protection and Affordable Care Act (ACA), which he described as a "Constitutional Thunderdome." The debate over the legality of the mandate to purchase insurance at the heart of ACA was, says Root, a rough-and-tumble colloquy about "the role of government in our lives... and what sort of limits the Constitution places on the federal government."(3:02)