WASHINGTON (AP) — Inflation is soaring, businesses are struggling to hire and President Joe Biden’s poll numbers have been in free-fall. The White House sees a common culprit for it all: COVID-19. Biden’s team views the pandemic as the root cause of both the nation’s malaise and his own political woes. Finally controlling COVID-19, the White House believes, is the skeleton key to rejuvenating the country and reviving Biden’s own standing. But the coronavirus challenge has proved to be vexing for the White House, with last summer’s premature claims of victory swamped by the more transmissible delta variant, stubborn millions...