Spring Reloaded: Thousands protest after Tunisian opposition leader assassinated

Thousands of protesters have clashed with police in Tunisia's capital. Security forces had to use tear gas in an effort to disperse the crowd - angered by the assassination of a popular opposition leader. Mohamed Brahmi was shot dead in front of his house by two unknown gunmen. Local reporter Farah Samti has more from Tunis. Middle East risk strategist Anna Boyd also joins RT. RT LIVE http://r ...