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Americans react to the Supreme Court upholding Obama's health care reform law.
The U.S. Supreme Court ruled June 28, 2012, in favor of President Barack Obama's health care law, with justices upholding a key provision requiring people to have health insurance.
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Vasco da Gama arrives in India, Christopher Columbus dies, Norman Rockwell makes his Saturday Evening Post cover debut, HIV is discovered, and "Cheers" airs its series finale, all on this day.