U.S. fails to ratify ocean mining treaty; other countries rush toward underwater riches

Countries that ratified the U.N.’s Law of the Sea treaty are diving into plans for deep sea mining, but Republican holdouts in the U.S. torpedoed U.S. efforts to join in. “60 Minutes“ is the most successful television broadcast in history. Offering hard-hitting investigative reports, interviews, feature segments and profiles of people in the news, the broadcast began in 1968 and is still a hit, over 50 seasons later, regularly making Nielsen’s Top 10. Subscribe to the “60 Minutes” YouTube channel: Watch full episodes: Get more “60 Minutes” from “60 Minutes: Overtime”: Follow “60 Minutes” on Instagram: Like “60 Minutes” on Facebook: Follow “60 Minutes” on Twitter: Subscribe to our newsletter: Download the CBS News app: Try Paramount free: For vid