Volodymyr Zelenskiy, Ukraine's president, addresses Congress at the US Capitol in Washington, DC. Photograph: Ting Shen/Bloomberg Ukrainian president Volodymyr Zelenskiy told the US Congress that aid to Ukraine was an investment in democracy and “not charity” as he invoked American battles against the Nazis to press for more assistance for his country’s war effort. “Your money is not charity. It is an investment in the global security and democracy that we handle in the most responsible way,” Mr Zelenskiy told a joint session of the US Senate and House of Representatives, speaking in English. The world is too interconnected to...