Our reporter in Moscow tells us of a manifesto, claiming to be from families of Russian troops, calling for demobilization and other signs of faltering support for Russia's war in Ukraine.And amid an improving economy, Venezuela is trying to ramp up oil production. But with neglected oil infrastructure, that has mean more oil spills.Sign up for State of the World+ to listen sponsor-free and support the work of NPR journalists. Visit plus.npr.org.