Chris Christie can’t admit it, but he’s too smart to think he has any chance to win the Republican nomination. His time passed in 2012, back when the adults ran the show. He might not even qualify for the next debate. So why is he running? Why is he camping out in New Hampshire, where the snow is already piling up deep, and spending endless hours begging for money? And why is he giving the Jersey salute to the growing chorus of GOP critics who want him to drop out? Because his higher purpose is to stop Donald Trump from becoming president. And he just might succeed if he can convince even 5 pe...