Welcoming China’s leader to two summits in a Russian city, President Vladimir Putin said Wednesday that Russia and China can overcome their countries’ difficulties by working together. Putin and Chinese President Xi Jinping both arrived Wednesday in the Russian city of Ufa for summits of the BRICS trade group and the Shanghai Cooperation Organization. The BRICS group also includes Brazil, India and South Africa, while the SCO, which also focuses on regional security and political issues as well as economics, includes the former Soviet Central Asian republics of Kazakhstan, Kyrgyzstan, Tajikistan and Uzbekistan. Iran, India and Pakistan are observer SCO...