TULSA, Okla. - President Donald Trump drew lower-than-expected turnout at his first rally in months on Saturday in Tulsa amid a tense political backdrop, nationwide anti-racism protests, and warnings from health officials about the coronavirus. Trump began the rally, his first since early March, by thanking the crowd of supporters indoors for coming, despite efforts from "some very bad people outside," alluding to the campaign's unfounded claim that protesters were responsible for the many empty seats inside Tulsa's 19,000-seat Bank of Oklahoma Center by blocking rally-goers from entering. "We begin! We begin! We begin our campaign," Trump said to applause....