FILE - This Sept. 10, 2012 file photo shows Labor Secretary Hilda Solis addresses employees outside the Flat Rock Assembly in Flat Rock, Mich. Solis told colleagues she is resigning fro

 

              FILE - This Sept. 10, 2012 file photo shows Labor Secretary Hilda Solis addresses employees outside the Flat Rock Assembly in Flat Rock, Mich. Solis told colleagues she is resigning fro
FILE - This Sept. 10, 2012 file photo shows Labor Secretary Hilda Solis addresses employees outside the Flat Rock Assembly in Flat Rock, Mich. Solis told colleagues she is resigning from Obama administration. (AP Photo/Carlos Osorio, File)