A Guardian article reports on Democrats' jubilant 'What's Next' conference in Denver, where thousands gathered after the party's sweeping 2026 midterm wins to chart a way forward. The consensus is that Democrats must act quickly when they take the majority in January, though attendees differ on whether to prioritize investigations of the administration or affordability legislation. Chris Van Hollen is challenging Chuck Schumer for Senate majority leader, and Hakeem Jeffries says Democrats have a collective responsibility to fight for an affordable America.