Ralph Nader's independent presidential campaign filed for ballot access in Colorado on Thursday, though political onlookers said they expected his impact on the presidential race in the state to be minimal.
Colorado is the fourth state that Nader and his running mate, former Green Party San Francisco mayoral candidate Matt Gonzalez, have filed in.
It's comparatively easy to win presidential ballot access in Colorado: candidates need only submit a $500 fee and statement of intent that includes the names of electors.
In 2004, 12 presidential candidates -- including Nader -- were on the ballot in Colorado.
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