President Donald Trump gave his review of Saturday Night Live’s cold open this morning: “Nothing funny about tired Saturday Night Live on Fake News NBC!” The bit, featuring Alec Baldwin doing his Trump imitation and lampooning the border situation, always provokes the Commander-in-Tweet, who has taken shots at Baldwin and SNL before. But this is a critic who has more than the power of the pen (or keyboard) to take action, which makes some of his comments dangerous and…