FILE - In this Jan. 30, 2009 file photo, U.S. Sen. Debbie Stabenow, D-Mich.,  is pictured in the East Room of the White House in Washington. The Associated Press has learned Republican U.S. Rep. Pete Hoekstra of Grand Rapids plans to seek his party?s nomination to challenge Stabenow in 2012. (AP Photo/Charles Dharapak, File)