HHS’ lead COVID-19 testing official says social distancing, wearing a mask and good hygiene will do more to stop the pandemic in the United States than testing, coming as leading congressional Democrats allege a lack of administration leadership and faulty policies have caused tests to be rationed and prevented widespread testing of asymptomatic individuals. Assistant Secretary for Health Brett Giroir said it’s the technology, not developers or the administration, that’s keeping the country from testing everyone. Instead, he recommends surveillance...