Aaron Sorkin, screenwriter of the movie based on Walter Isaacson's Steve Jobs biography, has completed his screenplay and submitted it to Sony, according to Variety. Sorkin -- who is well known for his work on The West Wing and The Social Network, was tapped to write the script back in the spring of 2012. Later that year, Sorkin revealed that he was planning to have the movie take place across three 30-minute scenes, with each scene taking