After three decades spent

CBS News - For more and to sign up click here If you could look backward through the lens of the camera that captured the most memorable moments of my career, you would see the eye of photographer Bob Caccamise. But now, sad to say, Bob is retiring."It's like Simon and Garfunkel breaking up, you know, it's similar to that," Bob said. "Or it could be like 'Bonnie and Clyde' breaking up." CBS News photographer Bob…