President Donald Trump sought to dispel questions about the severity of his coronavirus infection by calling for a new round of stimulus, posting the second video of himself in two days and launching a fresh round of campaigning by top supporters. In the video, posted on Twitter after nearly 24 hours in the hospital, Trump said “I feel much better now” and “I think I’ll be back soon” to the re-election campaign. His doctor, Sean Conley, said in a Saturday night update that the president had made “substantial progress” and “spent most of the afternoon conducting business.” pic.twitter.com/gvIPuYtTZG — Donald J. Trump (@realDonaldTrump) October 3, 2020 Yet Trump also lashed out in…