President Donald Trump on Monday previewed his highly-anticipated meeting with Russia's Vladimir Putin, saying he's hopeful for "constructive conversations" but that it isn't up to him to make a peace deal.

The U.S.-Russia summit in Alaska is happening at a site where East meets West in a place familiar to both countries as a Cold War front line of missile defense, radar outposts and intelligence gathering.

Prime Minister Mark Carney and Ukrainian President Volodymyr Zelenskyy spoke by phone Monday, reaffirming their agreement that Ukraine must be a party to any discussions about a possible end to the war in that country.