Democrats seek to oust Republicans in New Jersey and Iowa, while other major races remain up in the airVoters in Tuesday’s primary elections across the US chose candidates who could flip critical districts in the US House and Senate in November, setting up a series of high-stakes general election contests in a midterm year expected to favor Democrats.Among the most watched races are: a New Jersey Democrat who could oust a Republican incumbent absent with a mystery medical issue for months; several Iowa Democrats hoping to flip their red-leaning state; and California’s redrawn maps that have given Democrats an advantage in the heavily blue state. Continue reading...