The war in Ukraine has made the Russian leader Vladimir Putin something of a pariah in the West but he still meets regularly with Xi Jinping. In theory, Russia and China enjoy a no-limits partnership. But are there constraints on their relationship? Abigaël Vasselier is a former diplomat and is currently Director for Policy and European Affairs and heads the Foreign Relations team at the Mercator Institute for China Studies (MERICS), a think tank based in Berlin. She is also a SOAS alumna. On...