“Donald Trump wasn’t halfway through his speech in Tulsa, Okla., and Democratic ad makers in Washington and New York were already cutting footage for an air raid on the slumping president,” Politico reports. “They didn’t focus on the president’s curious monologue about his difficulties descending a ramp or drinking water at West Point, the small crowd size of the Tulsa event or even his use of the racist term ‘kung flu.’ Instead, the ads zeroed in on Trump’s admission that he urged officials to ‘slow the testing down.’” “It’s a reflection of a growing consensus among Democrats about what kind of hits on Trump are most likely to persuade swing voters — and which ones won’t.