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Democrats and unaffiliated voters make up the vast majority of the 141 people Colorado election officials say are not citizens and illegally registered to vote.
Mitt Romney will return to Colorado this weekend. The Republican presidential candidate plans to hold a rally Sunday evening at D'Evelyn High School.
The economy remains a top issue for voters in Colorado when it comes to choosing a presidential candidate.
The head of the Colorado Education Association said she does not want the money that legalized marijuana would raise for education.
A catchy pro-marijuana jingle for Colorado voters considering legalizing the drug goes like this: "Jobs for our people. Money for schools. Who could ask for more?"
A Colorado pro-civil unions group targeting vulnerable Republicans began its efforts Tuesday with a lawmaker whose narrow victory two years ago gave the GOP control of the House and the fate of legislation for same-sex couples.
The race for the White House is neck and neck and one of Colorado's congressional races is also expected to be close.
For the fourth time a Colorado state lawmaker will try to pass a law setting a limit for driving while high on marijuana.
The congressional candidates in Jefferson County had a close encounter, and it wasn't a planned event.
A Colorado lawmaker pushing for a marijuana blood-level limit for drivers said Friday he's arguing for a fourth time because lives are at stake.
Republican presidential nominee Mitt Romney will return to campaign in Colorado again on Sunday.
A single-engine plane that entered a temporary no-fly zone in the Denver area has landed without incident after the military scrambled two F-16s to intercept it.
President Barack Obama told a large crowd in Golden on Thursday that no act of terror will go unpunished.
About 200 people are upset after they were told they couldn't listen to President Barack Obama's speech to supporters in Jefferson County.
President Barack Obama blamed Republican leadership in the past decade for problems in the economy and asked for another term to continue working on them in a crowded campaign event in Golden on Thursday.