Sunday Happenings: “A long walk home: A Story of a Rape Survivor” 6:30 P.M., Commonground–“a unique partnership of art therapy, social documentary and community activism.”

“Governor Gary Johnson of New Mexico on the Drug War” noon, Filene Auditorium–Governor Johnson discusses drug legalization.

“Vaughan Recital Series” 4 P.M., Faulkner Recital Hall at the Hopkins Center–William Ghezzi performs “Guitar Music of the Americas.”

American Graffiti” 6:45 P.M., Spaulding Auditorium–George Lucas’s 1973 film ($5 Dartmouth students, $6 gen. admission).

Fast Times at Ridgemont High” 8:45 P.M., Spaulding Auditorium–“So what Jefferson was saying was ‘Hey! You know, we left this England place because it was bogus. So if we don’t get some cool rules ourselves, pronto, we’ll just be bogus too.’ Yeah?” ($5 Dartmouth students, $6 gen. admission)