This may be the new normal for quite a while. The US may have to endure social distancing measures -- such as stay-at-home orders and school closures -- until 2022, researchers projected on Tuesday. That is, unless, a vaccine becomes quickly available. That's according to researchers from the Harvard T.H. Chan School of Public Health, who published their findings in the journal Science on Tuesday. Those findings directly contradict research being touted by the White House that suggests the pandemic may stop this summer. The team at the Harvard School of Public Health used what's known about Covid-19 and other...