A House race in the blue stronghold of Denver has quickly become the next test of Democrats’ appetite for socialism.

Progressive candidates appear to have an edge in Colorado’s Democratic primaries next week.

Melat Kiros, a 29-year-old democratic socialist and lawyer, is challenging 15-term Rep. Diana DeGette for a solidly blue seat in Denver, where she and her allies hope voters are…

A House race in the blue stronghold of Denver has quickly become the next test of Democrats’ appetite for socialism.

Socialists caught the country’s eye in New York last week, when several candidates swept primaries. Their victories have spread to Colorado.