Unfortunately, the climb to the throne is littered with the broken bodies of his former foes...
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Sadly, Dion, who began his political career honourably as the Liberals' point-man fighting separatists after the near-disastrous 1995 Quebec referendum, ended his time as leader making a backroom deal with separatists in a failed bid for a few measly months as PM.(h/t Jeremy Swanson)