ANDREA SHALAL  THE United States must erase the pay gap between women and men to recover fully from the COVID-19 crisis, President Joe Biden has said, flanked by members of the U.S. Women's national soccer team that has made "Equal Pay" its rallying cry. Biden proclaimed yesterday as National Equal Pay Day, marking a yearly event that measures how much longer into a new year U.S. women on average must work to earn what the average man earned the previous year. The average woman in the United States now earns 82 cents for every dollar earned by the average man,…