Ayanna Pressley became the latest primary challenger to upset a sitting Democratic member of Congress, defeating 10-term incumbent Rep. Mike Capuano in the Boston-area district
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Ayanna Pressley's win shows just being liberal isn't enough in today's Democratic Party
On Tuesday night, Boston city councilor Ayanna Pressley crushed 10-term Rep. Michael Capuano in the Democratic primary for a seat that has been held by the likes of John F. Kennedy and Tip O'Neill in the past.
