Endurance swimmer completes historic 315-mile Hudson River swim to make waves of change

Endurance swimmer Lewis Pugh is the only person to have completed a long-distance swim in every ocean in the world. Now, he’s added a new accomplishment to his list: completing a 315-mile swim down the Hudson River. CBS News’ Dana Jacobson joined him on the journey to learn how he’s making waves in the conversation about ocean and river preservation. Source