Police gear up in Chicago as thousands join anti-NATO rallies

Thousands of protesters have flooded Chicago ahead of a NATO summit on Sunday. A huge showdown is expected later, with police already on high alert. Around a dozen activists were arrested on the eve of the gathering - three were charged with conspiracy to cause terror. RT's Anastasia Churkina is in Chicago. Subscribe to RT! http://www.youtube.com/subscription_center?add_user=RussiaToday Watch ...