Beijing and Moscow advanced a vision of a new world order Wednesday as Russian Foreign Minister Sergey Lavrov made his first visit to key ally China since his country launched its invasion of Ukraine. Moscow's top diplomat landed in the eastern city of Huangshan early Wednesday for a series of meetings about the future of Afghanistan, but Russia's bloody assault on its neighbor was likely to loom large over proceedings. Beijing has refused to condemn the invasion and has provided a level of diplomatic cover for an increasingly isolated Russia. U.S. officials have accused China of signaling "willingness" to provide...