January 24, 2010 12:02 AM

Lobbying, global warming portend nuclear comeback

The Obama administration soon may guarantee as much as $18.5 billion in loans to build new nuclear reactors to generate electricity, and Congress is considering whether to add billions more to support an expansion of nuclear power. Nuclear power generates about 20 percent of America's electricity, but many existing reactors are aging and no new plant has been authorized in decades.

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