Stan Musial, the greatest Cardinal of them all, met up with Albert Pujols, the greatest Cardinal of now and perhaps of a very long time, for an All-Star photo session one day recently. Between the photo clicks, the picture that emerged was one of two St. Louis baseball icons from different eras with an admiration for each other. They traded tips on hitting, joked about their salaries and golf games and showed appreciation for a baseball bat as only two sluggers of their stature could. Musial, who appeared in 24 All-Star Games and is expected to play a key role...