FILE - In this April 12, 2006 file photo, Massachusetts Gov. Mitt Romney, right, shakes hands with Massachusetts Health and Human Services Secretary Timothy Murphy after signing into la

 

              FILE - In this April 12, 2006 file photo, Massachusetts Gov. Mitt Romney, right, shakes hands with Massachusetts Health and Human Services Secretary Timothy Murphy after signing into la
FILE - In this April 12, 2006 file photo, Massachusetts Gov. Mitt Romney, right, shakes hands with Massachusetts Health and Human Services Secretary Timothy Murphy after signing into law a landmark bill designed to guarantee that virtually all Massachusetts residents have health insurance at Faneuil Hall in Boston. Sen. Edward Kennedy, D-Mass., is center, and Massachusetts House Speaker Salvatore DiMasi, is at right. The Massachusetts law provides a model for the rest of the nation as states work to establish their own health exchanges in 2013. (AP Photo/Elise Amendola, File)