MANCHESTER, N.H.—The event organizers called for problem-solving and civility, policy substance over sideshows.But Donald Trump just couldn’t help himself.President Barack Obama “bombed” on a recent “60 Minutes” appearance. Other presidential candidates can’t talk about polls because they’re all doing “lousy.” And when any of them criticize Trump, “I go after them and they drop out of the race.”That’s all according to Trump, the Republican front-runner who rolled into the No Labels conference here on Monday and served up 40 minutes of cognitive dissonance.

Source: Donald Trump strikes sour note at No Labels – POLITICO