Melat Kiros defeats 15-term incumbent in Colorado primary

A 29-year-old democratic socialist, Melat Kiros, defeated 15-term incumbent Representative Diana DeGette in Colorado’s Democratic primary on Tuesday, June 30, 2026. The victory in the heavily Democratic Denver-based district positions Kiros to become one of the youngest members of Congress and marks a significant win for the progressive wing of the Democratic Party.

Kiros, a first-time candidate and former lawyer, framed the race as a referendum on generational change and a break from establishment politics. Her platform included Medicare for All, abolishing U.S. Immigration and Customs Enforcement, and imposing a full arms embargo on Israel. DeGette, a member of the Congressional Progressive Caucus, had supported a public health insurance option and said she opposed offensive weapons sales to Israel while supporting its right to defend itself.

The contest drew substantial outside spending, with pro-Israel affiliated groups backing DeGette and progressive organizations supporting Kiros. In her victory speech, Kiros said Denver voters sent a clear message that "we will not wait" to take on former President Donald Trump, pass progressive priorities, or end U.S. military support...