New York (AFP) – The United States has crossed the threshold of one million deaths from Covid-19, the White House said on Thursday, as the nation seeks to turn the page on the pandemic despite threats of another surge. “Today, we mark a tragic milestone,” President Joe Biden said in a statement that acknowledged the “unrelenting” pain of bereaved families, and urged Americans to remain vigilant as cases tick back up. “One million empty chairs around the dinner table,” Biden said. “Each an irreplaceable loss. Each leaving behind a family, a community, and a nation forever changed.” Biden’s anno…