6/28: SCOTUS upholds health care law; wounded troops' war for recovery

      |Chief Justice John Roberts, considered a solid conservative, joined the liberal justices to uphold key parts of the massive health care law, including the individual mandate; And, U.S. combat troops are expected to leave Afghanistan by the end of 2014. But after a trip to Walter Reed National Military Medical Center in Maryland, David Martin reports the patients are a reminder of a war we're still fighting.

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