“He didn’t meet the moment,” said Purple Strategies President Bruce Haynes, calling it “the disappearing act of Donald Trump.”…

Sweat glistening on his face, the 69-year-old Trump — who has relentlessly attacked Bush, and more recently, Ben Carson as “low-energy” — faded from a feisty start into a lackluster overall performance.

Trump struggled on several questions, including one about his position on vaccines…

Concluded Republican consultant Dick Wadhams: “His shallowness on the issues is finally starting to be exposed. We’ll see if he shows up so unprepared for debate three.”