Adrian Boafo will win the Democratic nomination for Maryland's 5th congressional district, NBC News projects. It's one of the most highly contested races in Tuesday's primary.⁠ ⁠ Learn more about the 5th district race and get other results from Maryland's primary at the link in bio.⁠ ⁠ #adrianboafo #maryland #marylandpolitics #stenyhoyer #decision2026