Vladimir Putin and Xi Jinping have become close in the past decade, toasting with vodka and exchanging friendship medals. As the West sanctions Russia over its invasion of Ukraine, China could help, but only to a certain extent. Photo Illustration: Sharon Shi More from the Wall Street Journal: Visit WSJ.com: http://www.wsj.com Visit the WSJ Video Center: https://wsj.com/video On Facebook: https://www.facebook.com/pg/wsj/videos/ On Twitter: https://twitter.com/WSJ On Snapchat: https://on.wsj.com/2ratjSM #China #Russia #WSJ