covid spread and test requirements and staff shortages as well. and some parents just opting to keep their kids home. thousands of travelers still trying to get back home after a week of staff shortages from new covid cases leaves airlines, tsa, and support personnel shorthanded. planes grounded complicated by a new winter storm already hitting the mid-atlantic and moving up the coast towards the northeast. one flight not grounded today, air force one, president biden arriving at joint base andrews. it is hard to see him. mid-morning that was about an hour and a half ago amid swirling winds, accumulating snow from a holiday break that he had in delaware. the president s holiday was interrupted by a call to reassure ukraine s president zelensky after an hour-long call with vladimir putin who still has 100,000 troops along ukraine s border. washington is preparing for the first anniversary of the january 6th insurrection. the commemoration at the capitol will include a speech from the