FILE - This Feb. 15, 2011 file photo shows White House Chief of Staff Jack Lew testifying on Capitol Hill in Washington. The top contenders for the “big three” jobs in President Barack

 

              FILE - This Feb. 15, 2011 file photo shows White House Chief of Staff Jack Lew testifying on Capitol Hill in Washington. The top contenders for the “big three” jobs in President Barack
FILE - This Feb. 15, 2011 file photo shows White House Chief of Staff Jack Lew testifying on Capitol Hill in Washington. The top contenders for the “big three” jobs in President Barack Obama’s Cabinet are white men, raising fresh concerns among Democratic women about diversity in the president’s inner-circle. Their long-simmering worries were rekindled after Susan Rice withdrew under pressure from consideration as the next secretary of state. (AP Photo/J. Scott Applewhite, File)