Imperial Beach Mayor Paloma Aguirre will break the current partisan tie at the county — hear from one political analyst about what that means. Then, Voice of San Diego CEO Scott Lewis again joins us with his take on the District 1 election. Also, find out why area beaches are subject to closure. And, from reporting partner inewsource, hear about a new affordable housing project in the heart of Chula Vista. Finally, we’ve got a feature story on the 100th birthday of the oldest roller coaster in the county.