TOKYO -- The Japanese government has decided to remain involved in the formerly Exxon-led Sakhalin-1 oil and gas project in Russia, Nikkei has learned, as it seeks a stable supply of energy despite international sanctions on Moscow over its invasion of Ukraine. ExxonMobil, which held a 30% stake in Sakhalin-1, announced in March that it would withdraw from the project. Russia has set up a new company to take over the project under a presidential decree that has in effect forced investors to choose sides. Japan's Ministry of Economy, Trade and Industry is a stakeholder in Tokyo-based Sakhalin Oil and...