Colin Powell's Announcement; Reggie Miller; Daniel Barenboim

Republican political strategists Stuart Stevens and Ed Rollins and other experts examine the impact of Colin Powell's decision to not run for president in 1996. Indiana Pacers basketball player Reggie Miller talks about his book, "I Love Being the Enemy." Daniel Barenboim, music director of the Chicago Symphony Orchestra, on the way he is shaping the symphony and his work as a conductor and pianist.