He expressed this opinion on Fox News.“If there’s a trilateral meeting between President Donald Trump, President Zelenskyy and Putin, then I am cautiously optimistic that this war will end well before Christmas,” stated the U.S. senator.Graham hinted that if the trilateral meeting does not happen, Russia and its partners could face U.S. sanctions.“If the meeting doesn’t happen, I think President Trump may deliver severe consequences to Putin and those who buy his oil and gas,” he said.Trump–Putin summit in Alaska: what is knownOn the night of August 16, Donald Trump and Vladimir Putin held a summit in Anchorage, Alaska, in a “3-on-3” format that lasted nearly three hours — their longest discussion yet. According to the U.S. leader, the meeting was “productive” and covered many issues, but “not on everything did we fully agree,” so “there is no deal yet.”Trump stressed that he would soon hold calls with NATO representatives, President Volodymyr Zelenskyy, and others.He also said the Alaska summit nearly produced an agreement, and that a meeting between Zelenskyy and Putin with his participation is now being planned.“Now it’s really up to President Zelensky to get it done,” Trump said in a Fox News interview following his sitdown with Putin in Alaska, CNN reports. “They’re going to set up a meeting now between President Zelensky and President Putin and myself, I guess.”On the morning of August 16, U.S. President Donald Trump held a phone call with his Ukrainian counterpart Volodymyr Zelenskyy and invited him to Washington. A number of European leaders also joined the conversation.