Maryland, Missouri, Nebraska, Pennsylvania and Utah are the latest states reporting cases of the new omicron COVID-19 variant. Worldwide, omicron has spread to more than 40 nations. to.pbs.org/2xQQeuL | PBS NewsHour

President Joe Biden authorized Ukraine Sunday to use American-supplied long-range ballistic missiles to strike deep inside Russia, after months of opposing the tactic to avoid escalating the conflict. Biden’s decision to allow Ukraine to use the Army Tactical Missile System, or ATACMs, comes as Moscow deploys North Korean troops to the battlefield — a development National Security Advisor Jake Sullivan described as a “sea change” in the war. Nick Schifrin is in Rio de Janeiro for the Group of 20

11K views · 543 reactions | Former VP Gore, now one of the world’s leading climate activists, endorses Joe Biden’s White House bid, declaring that choosing the presumptive Democratic nominee over President Trump is “not rocket science.” https://to.pbs.org/2xOjW3K | PBS NewsHour | Facebook

1.9K views · 13 reactions | How strong are your child's word powers? Put them to the test in tonight's PBS KIDS Family Night special, WordGirl: The Rise of Ms. Power. | PBS KIDS | Facebook