Good Monday morning. Here are some of the stories making news in Washington and politics today.

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• Leaked internal polling from President Trump’s re-election campaign showed Mr. Trump behind Joe Biden in several key battleground states, including by double digits in Michigan, Wisconsin and Pennsylvania. The campaign responded by cutting ties with three of its five pollsters to prevent further leaks.

• The nation’s largest nurses’ union is going door to door promoting “Medicare for all” in swing districts. But in the House, Democrats are still split over whether to embrace extreme change or something closer to the status quo.

• As President Trump prepares to kick off his bid for a second term, he is anxiously searching for a way to counter Democrats on health care, one of their central issues. Many of his Republican allies would prefer he let it go for now.