Legendary CBS newsman Mike Wallace, whose 60-year career was highlighted by on-air confrontations that helped make "60 Minutes" the most successful prime-time television news program ever, has died. He was 93.

Legendary CBS newsman Mike Wallace, whose 60-year career was highlighted by on-air confrontations that helped make "60 Minutes" the most successful prime-time television news program ever, has died. He was 93.