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Scott Brown ribs Santorum on secret service detail

04:15

During a St. Patrick's Day roast, Sen. Scott Brown, R-Mass., delivers a zinger about 2012 candidate Rick Santorum being protected by secret service detail. Only problem is that comedian Conan O'Brien said it first. And in other news, Rick Santorum tackles pornography, President Obama drinks a pint of Guinness and Mitt Romney sings Happy Birthday.