Mitt Romney's speech against Donald Trump is not likely to win many converts. Romney's remarks will just further vindicate and entrench Trump supporters. Romney, though a good man, is quintessentially GOP establishment and has shown, by his speech, that he still doesn't understand the role he and his colleagues have played in bringing about the Trump surge. During campaign season, these guys always seem to get it. They profess to understand how destructive President Obama's agenda is, but once they're elected, they lose their will to fight, which makes many conservatives believe they didn't believe their own rhetoric in the...