A protestor is arrested by Oakland police during May Day protests on Tuesday, May 1, 2012 in Oakland, Calif. Hundreds of activists across the U.S. joined the worldwide May Day protests on Tuesday, ... more 
A protestor is arrested by Oakland police during May Day protests on Tuesday, May 1, 2012 in Oakland, Calif. Hundreds of activists across the U.S. joined the worldwide May Day protests on Tuesday, with Occupy Wall Street members in several cities leading demonstrations and in some cases clashing with police. Sunday, Oct. 16, 2011, in Oakland, Calif. (AP Photo/Ben Margot) less 
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Associated Press | Photo By Ben Margot
Tue, May 1, 2012 7:13 PM EDT