Though the NATO Summit starts May 20, protestors are already filling the streets of the host city, Chicago. Friday was originally supposed to be the opening day protest rally of the G8 meeting in the city.
What started out as an organized, permitted rally against economic injustice led by National Nurses United in Chicago's Daley Plaza ended as a disorganized, unpermitted march by Occupy Wall Street protestors through the financial heart of the city.
But in a show of restraint, Chicago police officers stood by as the protestors moved through the streets, stopping traffic along the way.
Northwestern University Political Science Professor Ian Hurd says the success of the NATO Summit depends on