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Obama's Mega-Dollar Wish List

Pete Souza/The White House via Getty Images

By Damian Joseph

Obama's Mega-Dollar Wish List

On Sept. 21, the White House released its Strategy for American Innovation: Driving Towards Sustainable Growth and Quality Jobs. In the white paper, President Barack Obama outlined the "grand challenges of the 21st century," broad issues affecting industries from health care to transportation. Here's a look at 25 big ideas that could revolutionize contemporary life—and some of the companies that might make them a reality.