From within the debris of Russia’s war, renowned Ukrainian artist Mikhail Reva was compelled to make a dark artistic pivot the day his own country house was ravaged by a Russian strike. Two years into the invasion, the Odesa-native has not rested in transforming more than two tons of war debris, including spiked Kalashnikov cartridges, bullets and arresting crumpled shells, into art that expresses his homeland’s suffering. The monumental works are now on display in the U.S. Embassy’s storied Hotel de Talleyrand in Paris, as part of an initiative by the United States to reengage with the Paris-…