Tuesday marked 1,000 days since Russia began its invasion of Ukraine, plunging the European continent into its largest and deadliest conflict since World War II. The milestone was marked by yet another major escalation of violence, when Ukraine launched U.S.-made long-range missiles into Russia for the first time. Russian President Vladimir Putin responded by issuing a new nuclear doctrine to lower the threshold for the use of nuclear weapons. It all comes at a tense time for Europe, as leaders prepare for the return of President-elect Donald Trump, who campaigned on a promise to wind down U.S. support for Ukraine. McKay Coppins, senior staff writer at The Atlantic, explains how Europe is preparing for Trump’s return to the White House.

And in headlines: South Carolina Rep. Nancy Mace introduced a resolution to ban transgender women from female bathrooms in the Capitol, Trump picked Dr. Oz to run the Centers for Medicare and Medicaid Services, and the White House says this year’s Christmas tree will come from North Carolina.

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