Chris Christie , a potential presidential candidate , had weight - loss surgery . Julian Lewis says candidates should n't be judged on appearances . But Americans will inevitably take weight and appearance into consideration , he says . Zelizer : Job of presidency is constantly in public view , and extremely demanding .
Chris Christie , a potential presidential candidate , had weight-loss surgery . Julian Zelizer says candidates should n't be judged on appearances . But Americans will inevitably take weight and fitness into account , he says . Zelizer : Job of presidency is constantly in public eye , and extremely demanding .