Marilyn GeewaxMarilyn Geewax is a senior business news editor, assigning and editing stories for radio. She also writes and edits for the NPR web site, and regularly discusses economic issues on NPR's mid-day show Here & Now.
French economist and academic Thomas Piketty, in his book-lined office at the French School for Advanced Studies in the Social Sciences, in Paris, earlier this month.
The U.S., the IMF's most powerful member, has refused to sign off on reforms. On Saturday, global leaders suggested the IMF would turn to other options if Congress doesn't act by year's end.
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