Metro is doubling the number of public bathrooms on train lines from three to six. Despite the urgent need, some commuters are complaining that they require a phone to use. The fire in Tustin’s WWII Navy blimp hangar is still smoldering a week after it ignited. Schools and parks are closed due to asbestos in the ash and smoke. In “Keys to the Kingdom,” an eight-part audio documentary, co-hosts Matt Gourley and Amanda Lund highlight the lives of people who work as theme park characters.