Democratic Sen. Patty Murray is likely to face GOP favorite Dino Rossi in Washington's election for the Senate seat. In recent polls, Mr. Rossi trails Mrs. Murray by about 4 percentage points. (AP Photo)

Democratic Sen. Patty Murray is likely to face GOP favorite Dino Rossi in Washington's election for the Senate seat. In recent polls, Mr. Rossi trails Mrs. Murray by about 4 percentage points. (AP Photo)