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A joke sign is seen at one of several entrances to the Occupy Portland camp in Portland, Ore., Tuesday, Oct. 18, 2011. Occupy protesters want shoppers to occupy something besides door-buster sales and crowded aisles of big-box stores on Black Friday. (AP Photo/Don Ryan)

Black Friday madness

A few violent incidents broke out on Black Friday as thousands of shoppers lined up in the wee hours of the morning at Macy's, Best Buy and other stores to get discounts of up to 70 percent on everything from toys to tablets.