The United States and Russia have discussed the idea of finding a U.S. investor for the Nord Stream pipeline and working out sales of Russian gas to Europe, Reuters reported on Thursday, citing sources with knowledge of recent meetings between top U.S. and Russian officials. U.S. Special Envoy Jared Kushner, son-in-law of U.S. President Donald Trump, and Kirill Dmitriev, a close adviser to Russian President Vladimir Putin and head of the Russian Direct Investment Fund, the sovereign wealth fund, have met in Moscow and New York in recent weeks…