That's all you got from the rally? How sad.
For those that watched the rally, you know that there were a lot of anti-Trumpers acting out. Trump mistook this man for one of his hecklers, not one of his supporters. He's from New York. If you mess with him, he'll talk back.
If anyone reads or hears something like what was said earlier about Trump fat shaming someone at the NH rally, please be considerate of our President and look to see if it is true. And then see what Trump did as a Mea Culpa. That helps avoid attacking Trump for something he was repentant for.