A 30-year incumbent loses a deep-blue Colorado primary to a Democratic Socialist, and the clip that follows stops us cold. We listen to the candidate’s comments tying 9-11 to American foreign policy, then zoom out to the bigger story: Democratic Socialists of America candidates winning primaries, the internal fight brewing inside the Democratic Party, and whether everyday voters understand what they’re voting for when the word “socialist” is treated like a trendy label instead of a governing ...