President Joe Biden on Monday urged Americans to get vaccinated or get their booster shots amid warnings about the spread of the Omicron variant – but insisted that the infectious new variant was not a cause for 'panic' and said no new restrictions were needed. 'We'll fight this variant with scientific and knowledgeable actions and speed, not chaos and confusion,' Biden said at the White House. But even amid the pressing nature of the new variant, Biden misstated the name of the variant. 'It's called the Omnicron,' he said, inserting an extra 'n' – an error his coronavirus advisor, Dr....