Local activists in Iran say weeks of protests across the country have left over 2,000 people dead. The uprising of citizens against the country’s supreme leader over economic hardships is the latest in a series of revolts that follow a similar pattern that observers like John Ghazvinian have studied. It’s also why he says the protests have yet to reach a tipping point. »»» Subscribe to CBC News to watch more videos: http://bit.ly/1RreYWS For breaking news, video, audio and in-depth coverage: