President Biden will warn Russian President Vladimir Putin when they speak on Tuesday that if Russia invades Ukraine, the U.S. is prepared to increase its troop presence, capabilities and military exercises on NATO's "eastern flank," a senior administration official told reporters.
Why it matters: The administration believes it's increasingly likely that Putin will order an invasion.
The U.S. announced Monday that it will not send officials to the 2022 Beijing Winter Olympics in protest of human rights abuses committed by the Chinese Communist Party.
Why it matters: The diplomatic boycott — which won't prevent American athletes from competing — marks a major escalation between the U.S. and China amid already heightened tensions over the CCP's treatment of Muslim minorities, military threats to Taiwan and economic tariffs.
The Lower 48 states have seen record-shattering warmth so far this December, with temperatures running as high as 35°F above average for this time of year. The warmth has been so pronounced that during the weekend, brush fires broke out in a snowless, unusually mild Denver metro area.
The big picture: The jet stream, which is a river of air that rides at about 30,000 feet along the temperature contrast between air masses, steering storms as it goes, has been stuck in a position well north of the continental U.S., keeping storms and cold weather at bay.
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