It works for him [Steven Spielberg] because there's a child-like glee in it that's part of the whole process. It's not just dumb, it's dumb and inspired and gleeful . . .
Source: On the Indiana Jones scene where he gets Adolph Hitler to autograph his book, from Hollywood Hotline, 1989.
-- Harrison Ford, (Jul 13 1942-____), US actor; He is best known for his roles as Hans Solo in Star Wars films and Indiana Jones; received oscar nomiation for The Witness, 1985.