Donald Trump said a face-to-face meeting between Volodymyr Zelensky and Vladimir Putin would be “great,” throwing his weight behind the prospect of direct talks while insisting that any breakthrough would require concessions from both Ukraine and Russia. “I’m glad that they’re maybe talking about meeting. I think we had a lot to do with it,” Mr Trump told reporters in the Oval Office. “I think it would be great if they met. They should - get it done,” he added. Mr Trump, who has drawn criticism for berating Mr Zelensky in…