A SurveyUSA poll released yesterday shows Republicans in good shape to keep the Senate seat of disgraced GOP Senator Larry Craig, who is expected to resign at the end of the month. Lt. Governor Jim Risch (R), reportedly the most likely replacement appointee for the seat, leads former Democratic Congressman Larry LaRocco by a margin of 52%-36%. Former Governor Dirk Kempthorne, who served as a U.S. Senator in the 1990's and is currently U.S. Secretary of the Interior, leads LaRocco 55%-36%. Congressman Mike Simpson, who has indicated that he does not want to serve in the Senate — and has...