They want the Obama Administration to take action now and not wait until after the election.
The law Rep. Cory Gardner touts in a campaign ad for his Senate bid was repealed five years later after being deemed useless.
Nearly $29 million is going into a battle over casino gambling.
Africans make up Colorado's second-largest immigrant group, but until recently, they haven't played much of a role in the state's political life. That's changing now.
Sen. Mark Udall's campaign has been hitting Republican Rep. Cory Gardner hard on the issue, and the state's Latino community is once again thought to be the constituency that could decide the race.
Ads purchased by outside groups make up more than $38 million – almost 77 percent – of the total spending so far in Colorado.
Democratic candidates and groups are outspending Republicans so far.
In a razor-tight race, Latino voters could be crucial to winning this district. But both candidates will have some work to do to win them over.