Alicia Keys’ “As I Am” has topped the U.S. album chart for a fourth, non-consecutive week, Billboard.com reported Wednesday. Coming in second on The Billboard 200 is the soundtrack to the Oscar-nominated film “Juno,” followed by the Mars Volta’s “The Bedlam in Goliath” at No. 3, Bullet For My Valentine’s “Scream Aim Fire” at No. 4 and the “2008 Grammy Nominees” compilation CD at No. 5.