How activists in Asia have used Western pop culture in their protests

From a song in "Les Miserables" to a hand gesture in "The Hunger Games," these are just a couple of examples from Western pop culture that activists in Asia have hooked onto when protesting authoritarian governments, especially China's. Jeffrey Wasserstrom has been looking closely at this phenomenon. His new book is "The Milk Tea Alliance: Inside Asia's Struggle against Autocracy and Beijing." Wasserstrom spoke recently to The World's Host Marco Werman.