An officer arrests a cyclist after a Critical Mass bike protest outside the Olympic Park during the 2012 Summer Olympics Opening Ceremony, Friday, July 27, 2012, in London. (AP Photo/Ma

 

              An officer arrests a cyclist after a Critical Mass bike protest outside the Olympic Park during the 2012 Summer Olympics Opening Ceremony, Friday, July 27, 2012, in London. (AP Photo/Ma
An officer arrests a cyclist after a Critical Mass bike protest outside the Olympic Park during the 2012 Summer Olympics Opening Ceremony, Friday, July 27, 2012, in London. (AP Photo/Matt Rourke)