Actor Paul Giamatti poses at the photo call for the film Barney's Version at the 67th edition of the Venice Film Festival in Venice, Italy, Friday, Sept. 10, 2010. (AP Photo/Andrew Medichini)AP – ‚Barney’s Version,’ which made its debut at the Venice Film Festival’s last main day, spans four decades in the life of a flawed man and took 10 years to reach the screen.