This week Metro Week shifts to its new format, with several topics in each show: - Civility in politics: Is this election cycle better, worse, the same as in past years? Interview with Carolyn Lukensmeyer, director of the National Institute for Civil Discourse. - Grassroots campaigning: What is it, and does it work? Interview with Christopher Conover, AZPM politics reporter. - Tucsonans in the Olympics: There are several people with connections to Tucson competing at this year’s Olympic games. Interview with Tony Perkins, AZPM reporter, who has been tracking their results. - Best Mexican Food: Tucson this week designated a 23-mile zone in the city as the “Best 23 Miles of Mexican Food in the U.S.” Interview with Tucson City Councilwoman Regina Romero about what the designation means, how the city selected the zone.