Two groups bought almost $850,000 in ads on Spanish-language channels in Denver and Colorado Springs.
Nearly $29 million is going into a battle over casino gambling.
The governor is trying to broker a deal to avoid ballot measures restricting drilling. A key interest group signed on amid controversy, but some legislators are unsupportive.
U.S. Sen. Mark Udall, who is locked in a bitter re-election battle with Republican U.S. Rep. Cory Gardner, did not join Obama on stage or at a later fundraiser.
Citizens United is not exempt from financial reporting requirements for a documentary they're making about Democratic Gov. John Hickenlooper in the lead-up to his re-election bid.
Gov. John Hickenlooper has vetoed the Transportation Enterprise Transparency Act, which legislators passed after a controversial public-private deal to improve U.S. 36.
Governor John Hickenlooper is no fan of legal marijuana, but he says so far he's not too worried about the drug's impact on Colorado's image.
In his regular conversation with CPR, Governor John Hickenlooper delves into some of the big issues sitting on his desk right now.
The governor says he's working seven days a week head off a divisive election battle over the future of oil and gas development in Colorado.