The U.S. Supreme Court's ruling that the individual mandate and other provisions of the Affordable Care Act are constitutional served to answer a few until now lingering questions. But we're left with many more.

What, for example, can be done by federal and state governments, health-care providers, employers and the insured to slow the rapid growth rate in health-care costs? PricewaterhouseCoopers has projected a 7.5 percent increase in costs again next year, Affordable Care Act or no