House Democrats are anxiously observing a primary race in Colorado where veteran Representative Diana DeGette faces a progressive challenger. This contest could indicate whether recent left-wing victories are a trend or an anomaly for incumbent Democrats. DeGette believes she will win against Melat Kiros, but some within her party express significant concern, with one anonymous Democrat predicting DeGette's loss. DeGette, a long-serving legislator, is being challenged by Kiros, a younger attorney who has criticized DeGette's stance on Israel and corporate funding.Kiros, endorsed by prominent progressives like Bernie Sanders and Ro Khanna, is a member of the Democratic Socialists of America. She gained attention for defending pro-Palestinian advocacy after being fired for her views. DeGette, despite her progressive credentials, is facing accusations of being too aligned with corporate interests and Israel. Both campaigns have attracted substantial outside spending, with groups supporting DeGette and progressive PACs backing Kiros.The advertisements from both sides highlight their respective candidates' progressive records and criticisms of their opponents. DeGette's supporters emphasize her anti-Trump stance, while Kiros's supporters question DeGette's commitment to progressive causes due to her funding. The outcome is being closely watched by both the Democratic establishment and the progressive left. If Kiros prevails, she could join a growing bloc of left-wing representatives who intend to leverage their votes for policy concessions. Kiros has stated she would not vote for any Democrat for leadership who accepts corporate PAC money.