 Pingree's statement did not mention his endorsement of Vice President Kamala Harris, but Pingree wrote, Democrats' goal remains the same. Ensure Donald Trump does not end up back in the White House. Maine Independent Senator Angus King praised Biden's decision, writing, The American people are in need of a new leader who can take on those abroad who are trying to destroy freedom and democracy while also meeting our challenges here at home. King also reserved any comment on Vice President Harris for president.