The lesson from the streets of Brazil, Turkey, and the Arab world is to avoid underestimating social movements still in their infancy.
With a million people demonstrating in the streets of Brazil, everyone's scrambling to understand how a 20-cent bus fare hike turned into a social revolt.
Iraqi demonstrators are now taking matters into their own hands.
Egypt is rapidly approaching its most acute political and economic crisis since the 2011 revolution that swept dictator Hosni Mubarak from power.
Egyptian President Mohamed Morsi may have inadvertently provided his critics with a temporary unifying device.
Anti-democratic forces in both the United States and the Arab world are using widespread embassy protests to discredit the pro-democracy movement.
An anti-government protester flashes a victory sign in front of riot police during an anti-government rally demanding the release of human rights activist Abdulhadi al-Khawaja, in Manama, Bahrain.
Before there were hashtags, 32 years ago, more than a thousand protesters tried to shut Wall Street down for a day.
At the end of December, the first popular uprising in the region against a government of the left took place in Bolivia.
The myth that anti-Vietnam protesters spit on returning veterans lives on.