was held today to mark the one-year anniversary of the catastrophic earthquake that killed 521 people. chile's president told mourners he remembered the disaster as if it had happened just moments earlier. but he also said chile is moving forward and that nearly half of the hundreds of thousands of destroyed homes, schools and hospitals have now been rebuilt. the astronauts aboard the space shuttle "discovery" are prepping for the mission's first spacewalk tomorrow. "discovery" docked at the international space station saturday. it is deliver a storage module, science rig and some spare parts. this is "discovery's" 39th and final flight. baseball fans are mourning the passing of hall of fame outfielder duke snyder. the former los angeles and brooklyn dodgers star died this morning in es can dedoe, california. he was 84. snider was a feared hitter on dodgers' teams that won the world series in 1955 and 1959. he was elected to the baseball hall of fame in 1980. much, much more on these developing stories at the top of the hour.