President Joe Biden admitted on Wednesday night that he wished his plan to send 500 million Covid-19 tests to people's homes came to him earlier - despite promising nearly three months ago to increase the supply by 'nearly 300 million.' Just two days until Christmas, Americans nationwide are still waiting in long lines for Covid-19 tests and even longer for their results amid a massive spike in demand. Three major studies have already confirmed the Omicron variant is noticeably milder than Delta, the previous dominant strain. In the United Kingdom, Covid patients with Omicron were 20 to 25 percent less...