As has become a dubious trend in the past year or so, films use a vintage studio logo (the recent Nebraska ), a period title font, or both ( Argo ), to signify the work as something of substance, timelessness, or at least one belonging to another era. David O. Russell's American Hustle also employs a vintage font to spell out its opening titles. But among the film's late-70's trappings, deep as the deepest shag, American Hustle uses what has become cinema's most blaring indicator of the past: HAIR. Hair permed, hair curled, hair affixed... hair that is incontrovertibly bad. We see con man Irving Rosenfeld (Christian Bale) going about his coiffure as American Hustle begins. Irving has to work harder than most, try as he does to cover the largely bare top of his head. So he combs up hair from behind, borrows from a side wall, as it were, to help patch the roof. A small toupee is affixed to the crown of the head and the reserves of n...