Citigroup turns to the head of an independent Wall Street research firm, Sallie Krawcheck, to restructure its stock research and investment banking divisions. The goal: restore investor confidence. NPR's Chris Arnold reports.
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NPR correspondent Chris Arnold is based in Boston. His reports are heard regularly on NPR's award-winning newsmagazines Morning Edition, All Things Considered, and Weekend Edition. He joined NPR in 1996 and was based in San Francisco before moving to Boston in 2001.