Viva La Local Food Festival 9 a.m. to 5 p.m. Sunday, April 6 Rillito Downs Park 4502 N. First Ave. 293-5011; www.vivalalocalfoodfest.com The food scene in Tucson is as good as it’s ever been, with a growing list of locally owned restaurants and breweries and a seemingly limitless supply of vendors populating numerous farmer’s markets. […]