By John Moore July 23, 2013 When he first became Denver’s mayor, I saw now Colorado Gov. John Hickenlooper sneak into the Lion’s Lair at midnight to catch a little bit of a John Doe set. He has introduced the Avett Brothers the past two years at Red Rocks. A few years ago, he introduced… Continue reading Video: Colorado Gov. Hickenlooper introduces Nathaniel Rateliff at the UMS