The Lead with Jake Tapper
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Biden, Harris, Pence make Labor Day visits to battleground states; Labor Day crowds drive fears of new virus spikes; CA breaks record for acres burned statewide in a year; U.S. performed 740,000+ COVID tests in the last week;
Trump accuses Biden, Harris of undermining science as he teases a vaccine by election day; Harris says she would not trust Trump on a vaccine, Trump says Harris should apologize for “anti-vaccine rhetoric”; Trump: will have vaccine “very soon, maybe even