I'm pretty sure he was the least popular governor in the country by the end of his term. Apparently he is also an idiot if this turns out to be true. Kushner obviously hates Christie because he helped send Kushner's father to prison, ironically for corruption.
Honestly, if the emails only incriminate Christie, I think Kushner might leak the emails himself.
Thats true, I forgot about that, Christie is one of the people responsible for sending Kushner's father to jail. All these corrupt politicians and corporatists swim in the same swamp ;)