MOSCOW (AP) — Russian President Vladimir Putin and Chinese leader Xi Jinping held a video call Wednesday to discuss the burgeoning economic cooperation between Moscow and Beijing and their relations with the United States. The Kremlin leader accepted an invitation to visit China twice this year. The call came amid a series of meetings between Xi and Western leaders who have sought to boost ties with China despite differences over the conflict in Ukraine. European leaders have pressed China for years to end its support for Russia even as Beijing has become the No. 1 trading partner for Moscow, which seeks relief from Western economic sanctions. "I would like to once again assure you of firm support for our shared efforts to ensure the sovereignty and security of our countries, our socio-economic welfare and the right to choose our own development path," Putin said in opening remarks that were broadcast by Russian state televisio...