What does the Tlatelolco Massacre mean today?

Tlatelolco Memory MarchMexicoReporter interviewed Salvador Martinez dela Roca, a student leader at the time of the Tlateloloco Massacre, about his thoughts on what the tragedy means today and why people march.
Watch the film here, and click here for more on Tlatelolco:
Mexico Remembers Massacre
Formats available: Windows Media (.wmv), Flash Video (.flv)
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