His victory came as the Democratic Party’s left flank scored a series of primary wins nationally, including in Colorado, where democratic socialist Melat Kiros upset longtime incumbent Rep. Diana DeGette. Colorado’s primary results were mixed overall, but Kiros’ victory extended a broader run of wins by progressive and democratic socialist candidates across the country. Marx’s answer to what he sees as socialism gaining ground nationally — and a leftward shift at home: Send in the Marines. We’ve got hard foreheads, steely spines. Marx took aim at his opponent, Colorado Democratic Attorney General Phil Weiser, arguing that increased government spending has not translated into better results for Coloradans.