Paul Simon has abandoned one of his biggest hits, a decision that was entirely out of his control. The acclaimed singer-songwriter, now 83 years old, has been open about his ongoing battle with hearing loss. While the condition has forced him to retire from touring, Simon has continued performing occasional concerts. During a recent conversation with CBS Mornings, the musician explained how he manages his condition – and why it made him retire one of his most popular songs. “There’s only about 6% [hearing] in my left ear,” Simon explained, noting how he has to use multiple monitors during performances....