Summary: For Jane Kim, now’s the time to talk about cleaner streets The progressive supervisor, whose successes include generating affordable housing, takes pragmatic approach to run for mayor For Jane Kim, now’s the time to talk about cleaner streets The progressive supervisor, whose successes include generating affordable housing, takes pragmatic approach to run for mayor When you’re a city supervisor, a candidate for mayor and a progressive crafting “big, bold ideas,” it’s sometimes hard to find time for lunch. So when The Chronicle asked...