President Joe Biden and former president Donald Trump each won their primaries in Illinois on Tuesday. But a growing call for a protest vote among Dems and a never-Trump wing among Republicans could mean that both candidates have to shore up their support before the general election in November. Meanwhile, other items on the ballot remain too close to call, including the Bring Chicago Home ballot referendum. Reset digs into who won, who didn’t and which races are still too close to call with WBEZ state politics reporter Dave McKinney. For more on the latest results, go to WBEZ.org. For a full archive of Reset interviews, head over to Wbez.org/reset.