TERM: 'Lennon'

John Lennon's sons and widow, Yoko Ono, are suing the filmmakers of "Expelled: No Intelligence Allowed" for using the song "Imagine" in the documentary without permission.

Lennon recorded the song in 1971 and in 2004, Rolling Stone magazine ranked it No. 3 on their list of the 500 Greatest Songs of All Time, according to the lawsuit.