BIDEN  EUROPE: On Thursday, the eve of the G-7 summit in Cornwall, England, U.S. President Joe Biden formally announced what had been disclosed a day earlier — that his administration is donating 500 million doses of the Pfizer COVID-19 vaccine to 92 low- and middle-income countries. Here’s the latest from White House Correspondent Patsy Widakuswara, who is traveling with the president.