Geithner out, Lew in. President Obama is expected to nominate his chief of staff, Jack Lew, to be the next Treasury secretary, Bloomberg News reports. Lew was previously the director of the Office of Management and Budget. He would replace Timothy Geithner, who told the White House he plans on leaving at the end of the month. One of his first orders of business: navigating the next congressional debate on the debt ceiling. Also, Lew has been universally mocked for his odd signature, which may soon have a spot on all U.S. paper currency.