Playbook: “Immigration is the central issue defining the Democratic primary for one of the most competitive toss-up districts in the country this week — a race that could provide a window into how immigration politics will animate the midterms.”“The Tuesday primary in Colorado’s 8th District between Manny Rutinel and Shannon Bird is the biggest test case yet of whether channeling the explosion of anger from the Democratic base over the Trump administration’s sweeping ICE actions will translate to votes in a district Democrats are targeting as a prime flip opportunity to unseat GOP Rep. Gabe Evans.”“Immigration is not always a top five issue for voters, but it does have an outsized importance for Latinos, one of the swingiest voting blocs this cycle.”