WASHINGTON -- U.S. President Joe Biden insisted he will be the Democratic candidate in November's presidential election, in a much-anticipated Thursday night news conference at the close of the NATO Summit in Washington.
But Biden's attempt to prove his fitness -- called into doubt by what many analysts described as a "disastrous" performance in his June 27 debate with Republican rival Donald Trump -- was overshadowed by a couple of gaffes, including an earlier appearance where he mistakenly referred to Ukrainian President Volodymyr Zelenskyy as "Putin."
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