President Donald Trump and European leaders cautiously welcomed Russia’s President Vladimir Putin saying he accepted the basic precepts of a ceasefire, but Ukraine’s President Volodymyr Zelensky warns Moscow demanding concessions is a “predictable” bid to derail talks altogether. On Thursday, a delegation of American negotiators had talks in Moscow, Russia, in hope of agreeing step one of President Trump’s Ukraine peace plan, a 30-day ceasefire. President Putin said Russia supports the notion in general terms, but said “there are issues that we need to discuss, and I think that we need to discuss it with our American colleagues and partners”...