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A crowd gathers outside the suburban Denver campaign office of Republican Rep. Mike Coffman. They're waving signs with Coffman's name crossed out, urging passing motorists to vote against the two-term incumbent.
Colorado's largest newspaper has endorsed President Barack Obama for a second term in office.
Colorado Republicans have so far cast more than 2,000 more ballots than Democrats since voting by mail began in the state.
Republican presidential candidate Mitt Romney and running mate Paul Ryan are scheduled to visit Colorado next week.
A spokesman for Colorado Secretary of State Scott Gessler says his boss was probably unaware he needed to file receipts for $1,400 he used from his office account after he took office.
Vice President Joe Biden says Coloradans should take advantage of early voting and not wait until Election Day in November to vote.
In the aftermath of last night's combative debate in suburban New York, President Barack Obama campaigns today in Iowa, while Mitt Romney will be in Virginia.
A political watchdog group has filed an ethics complaint against Colorado Secretary of State Scott Gessler.
Colorado will see only three statewide questions on the ballot and one of them is Amendment 64, which would allow the state to regulate marijuana like alcohol.
The Democrats will again target Colorado this week as Vice President Joe Biden is scheduled to visit Greeley Wednesday morning.
President Barack Obama's campaign is trying to pencil in the details of Mitt Romney's budget cuts.
Denver Mayor Michael Hancock on Monday morning plans to outline his reasons why he thinks Colorado voters should vote down Amendment 64, which would legalize possession of marijuana for adults in the state.
A robust registration push by President Barack Obama's re-election campaign has resulted in more Democrats than Republicans on the voter rolls in most battleground states, including Florida and Nevada, according to data from state election boards.
Colorado's elections chief says death threats were made against his family in August, prompting his early return from the Republican National Convention in Tampa, Fla.
First Lady Michelle Obama completed her two-day campaign around Colorado with a stop at the Douglas County Fairgrounds.