'Obliged to exile': Cuban activist Tania Bruguera on the plight of artist Hamlet Lavastida

After spending time in a maximum security prison in Havana, artist and activist Hamlet Lavastida has been exiled to Poland by Cuba's government. Tania Bruguera, a senior lecturer in media and performance at Harvard University, joined The World's host Marco Werman to discuss the plight of Cuban artists.