If nuclear fusion becomes commercial power one day, it could mean endless and carbon-free energy for the world. Scott Pelley reports on a recent breakthrough that could herald the beginning of a new era for clean energy. The U.S. government has moved to seize more than $1 billion in sanctioned Russian assets since the start of the war in Ukraine. Sharyn Alfonsi meets with the officials following an international trail that leads to the island of Cyprus. Rick Rubin is one of the most successful and respected music producers of all time, although he claims to have no technical ability and says he knows nothing about music. Anderson Cooper reports. See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.