In the print edition of the National Post, the headline of Don Martin's column states:He didn't get it: Politics is nastyThe online edition says -- Nice guys don't last in politicsBoth are referring to Stephane Dion.Gimme a break!Martin goes on to say:Like it or not, and I still think it was beneath him, but Prime Minister Stephen Harper's instant attack on the do-overs of Mr. Dion's bumbled CTV