Article snippet: Sen. MORE (D-Del.) warded off a primary challenge on Thursday from political newcomer Kerri Evelyn Harris, throwing cold water on progressives’ hopes for another upset victory over a longtime incumbent. Carper was projected as the winner by The Associated Press, winning with 64 percent of the vote after 72 percent of precincts had reported. His triumph came two days after progressive Ayanna Pressley notched a stunning Democratic primary win over 10-term incumbent Rep. Mike Capuano (Mass.) in a Boston-area district. That victory rocked Massachusetts’ political establishment and boosted an already-ascendant progressive movement that has fought its way to the forefront of Democratic politics. But Delaware, a state known to embrace incumbents and bipartisan compromise, proved elusive for the insurgent left. Harris, a 38-year-old Air Force veteran and community organizer, billed herself on the campaign trail as a new voice for Delaware and cast Carper as an entrenched politician who had grown too cozy with corporate interests and too willing to compromise on liberal values. On the campaign trail, she welcomed the support of other progressive firebrands, like Alexandria Ocasio-Cortez, the first-time candidate who vanquished Rep. MORE (D-N.Y.) in her New York City primary in June. Harris, who's openly gay, would also have made history as the first black senator from Delaware if elected, part of a push for change within the Democratic party from a younger and more diver... Link to the full article to read more