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The Justices of the US Supreme Court sit for their official photograph on October 8, 2010 at the Supreme Court in Washington, DC. Front row (L-R): Associate Justice Clarence Thomas, Associate Justice Antonin Scalia, Chief Justice John G. Roberts, Associate Justice Anthony M. Kennedy and Associate Justice Ruth Bader Ginsburg. Back Row (L-R): Associate Justice Sonia Sotomayor, Associate Justice Stephen Breyer, Associate Justice Samuel Alito Jr. and Associate Justice Elena Kagan. AFP PHOTO / TIM SLOAN (Photo credit should read TIM SLOAN/AFP/Getty Images)
The Justices of the US Supreme Court sit for their official photograph on October 8, 2010 at the Supreme Court in Washington, DC. Front row (L-R): Associate Justice Clarence Thomas, Associate Justice Antonin Scalia, Chief Justice John G. Roberts, Associate Justice Anthony M. Kennedy and Associate Justice Ruth Bader Ginsburg. Back Row (L-R): Associate Justice Sonia Sotomayor, Associate Justice Stephen Breyer, Associate Justice Samuel Alito Jr. and Associate Justice Elena Kagan. AFP PHOTO / TIM SLOAN (Photo credit should read TIM SLOAN/AFP/Getty Images)

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    Obamacare exchanges challenged in Supreme Court

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Obamacare exchanges challenged in Supreme Court

The Supreme Court will hear arguments on whether most Obamacare enrollees can keep their subsidies. CNN's Pam Brown discusses the specifics of each argument.

Obamacare exchanges challenged in Supreme Court

The Supreme Court will hear arguments on whether most Obamacare enrollees can keep their subsidies. CNN's Pam Brown discusses the specifics of each argument.