Sen Bond, Christopher S. [MO] - 3/30/2009
Sen Brownback, Sam [KS] - 3/30/2009
Sen Cochran, Thad [MS] - 3/30/2009
Sen Johnson, Tim [SD] - 3/30/2009
Sen Roberts, Pat [KS] - 3/30/2009
Sen Isakson, Johnny [GA] - 3/31/2009
Sen Inhofe, James M. [OK] - 4/24/2009
Sen Burr, Richard [NC] - 4/24/2009
Sen Roberts, Pat [KS] - 3/30/2009
Sen Chambliss, Saxby [GA] - 4/28/2009
Sen Vitter, David [LA] - 5/1/2009
Sen Nelson, E. Benjamin [NE] - 5/5/2009
Sen Thune, John [SD] - 5/14/2009
Sen Johanns, Mike [NE] - 6/1/2009
Sen Lincoln, Blanche L. [AR] - 7/15/2009