adverting a potential russian invasion of ukraine. later this hour, we ll talk with a journalist in ukraine about a move on the ground. the house january 6th committee is asking ivanka trump to cooperate with its investigation. as a georgia prosecutor seeks a special grand jury to help investigate a call trump made during the elections process trying to overturn results of the 2020 election. meantime, one major city tries a new approach to reducing the sufrmg in covid cases. and out west, california is about to get more help from the federal government to fight wildfires. and we begin with the urgent diplomatic efforts aimed at averting a potential russian invasion of ukraine. secretary of state antony blinken and russian foreign