In this Aug. 17, 2021, file photo, patient with COVID-19 on breathing support lies in a bed in an intensive care unit at the Willis-Knighton Medical Center in Shreveport, La. The summer that was supposed to mark America’s independence from COVID-19 is instead drawing to a close with the U.S. more firmly under the tyranny of the virus, with deaths per day back up to where they were in March 2021. (AP Photo/Gerald Herbert, File) WASHINGTON (AP) — The summer that was supposed to mark America’s independence from COVID-19 is instead drawing to a close with the U.S. more firmly under the tyranny of the virus, with deaths per day back up to where they were in March. The delta variant is filling hospitals, sickening alarming numbers of children and driving coronavirus deaths in some places to the highest levels of the entire pandemic. […]