‘It’s a mistake,’ Zelenskiy says of Biden’s Putin mix up ReutersUkraine’s leader Volodymyr Zelenskyy says he can ‘forget’ Joe Biden’s gaffe where he referred to him as ‘President Putin’ Sky NewsSee Russian state media troll Biden’s NATO appearances CNNA Paler Shade of Gray The American ProspectZelenskyy addresses Biden’s ‘President Putin’ gaffe on Europe tour POLITICO Europe