Why it was almost impossible to cast the Mel Gibson role in the new 'Lethal Weapon'

Warner Bros. The producers behind Fox's television reboot of the "Lethal Weapon" film series found that Mel Gibson is a tough act to follow. Early in the adaptation process, writer and executive producer Matt Miller got the blessing from the director of the "Lethal Weapon" films, Richard Donner, though he had one caveat. "If you don’t have the right guys, you're screwed," Donner said, as...