Yoko Ono isn't showing an ounce of compassion for heavy metal musician (and Suicide Girl) Lennon Murphy, who was named after the late Beatle by her mother. Ono is now suing the musician for "tarnishment" of John Lennon's name, "fraudulently" registering the name as a trademark and intentionally exploiting it. Lennon has been using her first name professionally since 1997, and in 2000 (when signed with Arista Records) she cleared the use of the name......