NATO Protests May 21st

NATO protesters marching away from President Obama's HQ's, South down Michigan Ave. Read more about NATO and the protests here. (credit: Mason Johnson/CBS)

NATO Protests May 21st

NATO protesters marching away from President Obama's HQ's, South down Michigan Ave. Read more about NATO and the protests here. (credit: Mason Johnson/CBS)

NATO Protests May 21st

NATO protesters marching away from President Obama's HQ's, South down Michigan Ave. Read more about NATO and the protests here. (credit: Mason Johnson/CBS)

NATO Protests May 21st

NATO protesters marching away from President Obama's HQ's, South down Michigan Ave. Read more about NATO and the protests here. (credit: Mason Johnson/CBS)

NATO Protests May 21st

NATO protesters marching away from President Obama's HQ's, South down Michigan Ave. Read more about NATO and the protests here. (credit: Mason Johnson/CBS)

NATO Protests May 21st

NATO protesters marching away from President Obama's HQ's, South down Michigan Ave. Read more about NATO and the protests here. (credit: Mason Johnson/CBS)

NATO Protests May 21st

NATO protesters marching away from President Obama's HQ's, South down Michigan Ave. Read more about NATO and the protests here. (credit: Mason Johnson/CBS)

NATO Protests May 21st

NATO protesters marching away from President Obama's HQ's, South down Michigan Ave. Read more about NATO and the protests here. (credit: Mason Johnson/CBS)

NATO Protests May 21st

NATO protesters marching away from President Obama's HQ's, South down Michigan Ave. (credit: Mason Johnson/CBS)

NATO Protests May 21st

Protesters marching to Obama's campaign headquarters, located in Chicago's Prudential Buildings. Read more about NATO and the protests here. (credit: Mason Johnson/CBS)

NATO Protests May 21st

Protesters marching to Obama's campaign headquarters, located in Chicago's Prudential Buildings. Read more about NATO and the protests here. (credit: Mason Johnson/CBS)

NATO Protests May 21st

Protesters marching to Obama's campaign headquarters, located in Chicago's Prudential Buildings. Read more about NATO and the protests here. (credit: Mason Johnson/CBS)

NATO Protests May 21st

Protesters marching to Obama's campaign headquarters, located in Chicago's Prudential Buildings. Read more about NATO and the protests here. (credit: Mason Johnson/CBS)

NATO Protests May 21st

Protesters marching to Obama's campaign headquarters, located in Chicago's Prudential Buildings. Read more about NATO and the protests here. (credit: Mason Johnson/CBS)

NATO Protests May 21st

Protesters marching to Obama's campaign headquarters, located in Chicago's Prudential Buildings. Read more about NATO and the protests here. (credit: Mason Johnson/CBS)

NATO Protests May 21st

Protesters marching to Obama's campaign headquarters, located in Chicago's Prudential Buildings. Read more about NATO and the protests here. (credit: Mason Johnson/CBS)

NATO Protests May 21st

Protesters marching to Obama's campaign headquarters, located in Chicago's Prudential Buildings. Read more about NATO and the protests here. (credit: Mason Johnson/CBS)

NATO Protests May 21st

Protesters marching to Obama's campaign headquarters, located in Chicago's Prudential Buildings. Read more about NATO and the protests here. (credit: Mason Johnson/CBS)

NATO Protests May 21st

Protesters marching to Obama's campaign headquarters, located in Chicago's Prudential Buildings. Read more about NATO and the protests here. (credit: Mason Johnson/CBS)

NATO Protests May 21st

Protesters marching to Obama's campaign headquarters, located in Chicago's Prudential Buildings. Read more about NATO and the protests here. (credit: Mason Johnson/CBS)

NATO Protests May 21st

Protesters marching to Obama's campaign headquarters, located in Chicago's Prudential Buildings. Read more about NATO and the protests here. (credit: Mason Johnson/CBS)

NATO Protests May 21st

Protesters marching to Obama's campaign headquarters, located in Chicago's Prudential Buildings. Read more about NATO and the protests here. (credit: Mason Johnson/CBS)

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NATO Protests May 21st

Protesters marching to Obama's campaign headquarters, located in Chicago's Prudential Buildings. Read more about NATO and the protests here. (credit: Mason Johnson/CBS)

NATO Protests May 21st

Protesters marching to Obama's campaign headquarters, located in Chicago's Prudential Buildings. Read more about NATO and the protests here. (credit: Mason Johnson/CBS)

NATO Protests May 21st

Protesters marching to Obama's campaign headquarters, located in Chicago's Prudential Buildings. Read more about NATO and the protests here. (credit: Mason Johnson/CBS)

NATO Protests May 21st

Protesters marching to Obama's campaign headquarters, located in Chicago's Prudential Buildings. (credit: Mason Johnson/CBS)

NATO Protests May 21st

Protesters marching to Obama's campaign headquarters, located in Chicago's Prudential Buildings. (credit: Mason Johnson/CBS)

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NATO Protests May 21st

Protesters marching to Obama's campaign headquarters, located in Chicago's Prudential Buildings. (credit: Mason Johnson/CBS)

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NATO Protests May 21st

NATO Protests May 21st

NATO Protests May 21st

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(credit: Ron Gleason/CBS)

NATO Protests May 21st

Protests marching to Obama's campaign headquarts, located in Chicago's Prudential Buildings. (credit: Mason Johnson/CBS)