Is This the Moment When Trump’s Campaign Imploded?

Marco Rubio made a laughingstock of Donald Trump in tonight’s debate. Twitter was on fire over this exchange, in particular, where Rubio had great fun at Trump’s expense, while exposing him as a know-nothing on health care. If Trump’s campaign fails, this may be the moment when the tide turned:

It’s not a bad thing to see a bully humiliated.