Gov. Scott Walker arrives at the First in the Nation Republican Leadership Summit in New Hampshire. Walker has long been a polarizing figure due to his epic battles with public employee unions, but a new poll this week shows a new and sizable drop in his approval rating.
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At this stage in the election cycle, just like in baseball's spring training, fans love to see a new phenom catch fire. Wisconsin Gov. Scott Walker, sporting a Milwaukee Brewers jersey in 2013, seems to be the rookie to watch in the 2016 presidential race so far.
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