Come summer, mailboxes of 1 in 3 buyers of individual health insurance buyers could get rebate checks. JS Callahan/tropicalpix/iStockphoto.com hide caption

itoggle caption JS Callahan/tropicalpix/iStockphoto.com

The broccoli was flying this week in the Supreme Court. J. Scott Applewhite/AP hide caption

itoggle caption J. Scott Applewhite/AP

Supporters of the health care law rally in front of the Supreme Court Wednesday, the final day of arguments over its constitutionality. Charles Dharapak/AP hide caption

itoggle caption Charles Dharapak/AP

People wait for tickets to attend the last day of arguments over the Affordable Care Act at the Supreme Court. Chip Somodevilla/Getty Images hide caption

itoggle caption Chip Somodevilla/Getty Images

If the Supreme Court rules that the health insurance mandate is unconstitutional, does that invalidate the rest of the law? Adam Cole/NPR hide caption

itoggle caption Adam Cole/NPR

The final argument the Supreme Court will hear about the new health care law is whether its Medicaid expansion unfairly forces states to participate. Adam Cole/NPR hide caption

itoggle caption Adam Cole/NPR

Opponents and supporters of President Obama's health care overhaul rallied outside the Supreme Court on Tuesday. Bob Mason shows support for the Tea Party by dressing in costume as one of the Founding Fathers. John Rose/NPR hide caption

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Supporters and opponents of the health care law rallied in front of the Supreme Court Tuesday, as the court considered the constitutionality of the insurance mandate. John Rose/NPR hide caption

itoggle caption John Rose/NPR

A bulletin board in New York's Jamaica Hospital offers advice for uninsured patients. Seth Wenig/AP hide caption

itoggle caption Seth Wenig/AP

On Tuesday, the Supreme Court will consider whether Congress can require people to buy health insurance. Adam Cole/NPR hide caption

itoggle caption Adam Cole/NPR

Demonstrators in support of President Obama's health care overhaul march outside the U.S. Supreme Court on Monday. John Rose/NPR hide caption

itoggle caption John Rose/NPR