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Supporters of President Barack Obama's health care law celebrate outside the Supreme Court in Washington, Thursday, June 28, 2012, after the court's ruling. AP Photo/David Goldman)

Demonstrators gather on Obamacare decision

In a victory for President Obama, the Supreme Court decided to uphold

his signature health care law's individual mandate in a split decision,

upending speculation after hostile-seeming oral arguments in March that

the justices would overturn the law. The mandate has been upheld as a

tax, according to SCOTUSblog, with Chief Justice John Roberts joining the liberal wing of the court.