A cursory glance at the various Wikipedia lists of politicians assassinated in either country rebuts your last point.
US political discourse is vastly more hostile than you give it credit for, as well. Veiled death threats (shooting pictures of opponents, burning in effigy, etc.) are increasingly common, particularly on the conservative side.
US political discourse is vastly more hostile than you give it credit for, as well. Veiled death threats (shooting pictures of opponents, burning in effigy, etc.) are increasingly common, particularly on the conservative side.