Extended interview: Sylvester Stallone

In this web exclusive, actor, writer and director Sylvester Stallone talks with correspondent Tracy Smith about his career, including his first experience as an actor in a school production of "Death of a Salesman"; how rejection made him tougher; why he refused to sell his screenplay for "Rocky" unless he played the lead role; and how he continued to fight during the film's production to maintain his vision of the character.