During his testimony before the Senate Judiciary Committee, Judge Roberts, ever the clever advocate, used an all-American sports metaphor when he said that he saw himself as an umpire whose duty it was to call balls and strikes but not set the rules. The trouble is that umpires can vary the strike zone to make hometown calls—and home for John Roberts is the right-wing of the Republican Party.

http://www.truthout.org/docs_2005/092005M.shtml