Questions for Jack Lew's Confirmation Hearings Senate confirmation hearings begin Feb. 13, for Jack Lew, President Obama's nominee to replace Timothy Geithner as Treasury secretary. As Obama's chief of staff and former budget director, Lew's expertise in fiscal policy and his experience in dealing with Congress is likely to set the stage for Congressional Republicans to quiz him on job growth, the federal debt and bank regulations. What specific questions should the senators ask?