Trump, White House and Putin
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The Kremlin hasn't ruled out summits but has said they could only meet in the very final stages of clinching a peace agreement.
The Ukrainian leader seemed mostly upbeat about his latest White House appearance, describing his meeting with Trump as "warm". His optimism, however, appeared deliberate as he sought to avoid a repeat of his last Oval Office visit and convince his American hosts to embrace the European position on ending the war.