WASHINGTON — Republican lawmakers sharply questioned Treasury Secretary nominee Jack Lew on Wednesday, asking him to detail his role at Citigroup in the lead-up to the financial crisis and his views on a range of banking issues.

Sen. Orrin Hatch, R-Utah, took the lead in asking about Lew's involvement with several Citi securities that are alleged to have been misleadingly marketed. Lew served as chief operating officer in the bank's global wealth management business and its now-failed alternative investments unit from 2006 to 2009.

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