Moscow is preparing to recover a nuclear-powered missile lost at sea, according to sources with direct knowledge of a U.S. intelligence report. Russian President Vladimir Putin bragged earlier this year that the new missile had unlimited range. The missile was tested four times between November and February, each resulting in a crash, according to sources who spoke to CNBC on the condition of anonymity. Crews will attempt to recover a missile that was test launched in November and landed in the Barents Sea, which is located north of Norway and Russia. The operation will include three vessels, one of which...