Intense bombing and fighting continues throughout Ukraine as Russia’s war enters its second week. Western countries have imposed a sanctions regime on Russia that is battering the economy and hitting workers the hardest. Eugene Puryear and Brian Becker discuss the latest on the war and explore the essential historical context, establishing five basic principles and points of unity for progressive forces in the West. They also discuss how the question of war and imperialism has served as an essential litmus test for socialists in the past.