Protesters march on Pakistan PM Nawaz's house
They may not be old enough to vote, but young Americans still make an impact on the campaign trail whether they are holding signs or being held at rallies across the country.
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Mitt Romney holds a child as he poses for a photo after visiting Tommy's Country Ham House on primary election day in Greenville, South Carolina on January 21, 2012. South Carolina holds their primary elections today. UPI/Kevin Dietsch
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