"In a crisis, governments will often curtail freedom of the press, censoring or shutting broadcasts and newspapers. But blocking websites, slowing the Internet or cutting off SMS messaging can be harder to do...video roundtable focuse[s] on free speech online in various countries, from Iran to China to Kenya -- and even a mention of the U.S. government's attempts at curtailing speech online over the years." http://www.pbs.org/mediashift/2009/07/the-importance-of-free-speech-onli...