ASL: Johnny Depp and Natalie Portman sign in McCartney video

This recent Paul McCartney music video of his song “My Valentine” features actors Natalie Portman and Johnny Depp using American Sign Language (ASL). [youtube http://www.youtube.com/watch?v=f4dzzv81X9w&version=3&hl=en_US&rel=0] Did Depp and Portman sign the word ‘tampon’ by mistake in this video? The answer has to do with the use of classifiers within the context – and the differences between ASL and British Sign Language (BSL). Get the full story with comments by Jami Fisher, ASL Program Coordinator at the University of Pennsylvania.