Open this photo in gallery: U.S. President Joe Biden meets with Ukrainian President Volodymyr Zelensky, in Paris, on June 7.Evan Vucci/The Associated Press President Joe Biden on Friday for the first time publicly apologized to Ukrainian President Volodymyr Zelensky for a months-long holdup in American military assistance that let Russia make gains on the battlefield. Speaking in Paris, where they both attended ceremonies marking the 80th anniversary of the D-Day landings, Biden told Zelensky that he apologized to the Ukrainian people for the weeks of not knowing if more assistance would come while Congress waited six months before sending Biden...