President Trump could give up on efforts to end the war in Ukraine "in a matter of days," Rubio says, highlighting the administration view that it's "not our war."

Russia and Ukraine cannot continue fighting forever. Somehow or other, sooner or later, peace will come. Recent events offer little hope for reconciliation, granted. A wider view of history, however, reveals how the smallest of agreements can lead to the greatest of victories: The victory of peace over war.