(AP Photo/J. David Ake) People wait in line overnight in front of the Supreme Court for tickets on the eve of oral arguments before the court on President Obama's health care legislation, in Washington, Sunday, March 25, 2012. S itting in the Supreme Court on March 27, I was stunned by the oral argument on the Affordable Care Act (ACA). From their first questions to Solicitor General Donald Verrilli, the conservative justices seemed to echo the arguments against the individual mandate that the opposing lawyers had set out in their briefs. When it was over, I was not 100 percent sure that Justice Anthony Kennedy would vote to overturn the mandate and related penalties. But if he does, the Court may well strike down the law’s other critical provisions, staging what amounts to a conservative judicial coup. What then? Three general alternatives stand out for health-care reform. Let’s call them the minimalist bypass, the great mountain highway, and the road through the states. The...