Which 1960s quartet's 2000 compilation "1" collected its No. 1 hits and became one of the best-selling albums of the decade?

The tagline "One ring to rule them all" promoted which 2001 film? In 2001, researchers produced pulses of what lasting only about 650 attoseconds, or billionths of a billionth of a seco… Which South Dakota Democrat was Senate Majority Leader for most of 2001 and 2002? Will Smith played which poetic boxer in the 2001 film "Ali"? Michael Gambon played which president in the 2002 HBO film "Path to War"? Ronald Harwood won an Oscar for writing which 2002 film about a Polish-Jewish musician? In which 2002 film does a young Maori girl defy tradition and ride a whale? Britney Spears starred in which 2002 road movie?