The Murder of Louis Allen - Steve Kroft's 18-month investigation into a 47-yr.old murder in a Mississippi town sheds light on an unsolved civil rights killing near the top of the FBI's list. Graham Messick and Sumi Aggarwal are the producers.The Library - No one is allowed to borrow from the Vatican Library, except the pope. And no wonder: the archive holds some of the oldest and most precious works of art and treasure known to man. Morley Safer and "60 Minutes" cameras get to see the best of the best. David Browning is the producer.Albert Pujols - His big bat has made the St. Louis Cardinals' slugger one of the top 10 players in baseball history. But to people with Down syndrome and the poor of his native Dominican Republic that he helps, he means a lot more than home runs and RBI. Bob Simon reports. Draggan Mihailovich is the producer.