White House Chief of Staff Jack Lew listens at a bipartisan meeting with Congressional leaders in the Roosevelt Room of White House to discuss the economy, in this November 16, 2012, file photo. U.S. President Barack Obama will nominate White House chief of staff Jack Lew as his next Treasury secretary on January 10, 2013, replacing Timothy Geithner, according to a source familiar with the matter. REUTERS/Larry Downing/Files