In 2018, the president called for the group to embrace Russia and stormed out of the summit. Now he is seeking to shrink America’s military role abroad and embarking on a more expansive trade war.

Top political leaders will gather in Kananaskis until June 17, marking a half-century of international co-operation among some of the world’s most-advanced economies.

Russia laid out demands for a ceasefire and ending the war in Ukraine during negotiations in Istanbul, Turkey, on Monday.Moscow told Ukraine that it would only agree to end the war if Kyiv gives up big chunks of territory and accepts limits on the size of its army,