FILE - In this March 23, 2010 file photo President Barack Obama signs the health care bill in the East Room of the White House in Washington. He is flanked by Marcelas Owens of Seattle, left, and Rep. John Dingell, D-Mich. Behind, from left are, Sen. Tom Harkin, D-Iowa., Senate Majority Whip Richard Durbin of Ill., Vice President Joe Biden, Vicki Kennedy, widow of Sen. Ted Kennedy, Sen. Christopher Dodd, D-Conn., Rep. Sander Levin, D-Mich., Ryan Smith of Turlock, Calif., Health and Human Services Secretary Kathleen Sebelius, House Speaker Nancy Pelosi of Calif., House Majority Leader Steny Hoyer of Md., Senate Majority Leader Harry Reid of Nev., Rep. Patrick Kennedy, D-R.I., House Majority Whip James Clyburn of S.C., and Rep. Henry Waxman, D-Calif. The Supreme Court said Monday it will hear arguments in March over President Barack Obama's health care overhaul, setting up an election-year showdown over the White House's main domestic policy achievement. (AP Photo/J. Scott Applewhite, File)