AdvertisementTuesday's Primaries: 5 Races To Watch In Colorado, Utah And OklahomaJune 30, 2020Domenico MontanaroElena MoorefacebookEmailThen-Democratic presidential candidate John Hickenlooper speaks at an Iowa forum in 2019. Now the former Colorado governor is running for U.S. Senate — and locked in a battle for the Democratic primary. (AP)