Felicia Green showed up with the heath care equivalent of a grocery list. "Had my flu shot. Got tested for HIV. Now I'm going to check out some of those clinic resources," the 25-year-old from Dallas said Saturday. Green hadn't stepped into a hospital, although a warehouse full of health care services awaited her. She'd come for KwanzaaFest, an annual event that celebrates black culture and community. Two decades after Dallas hosted one of the country's first Kwanzaa celebrations, the small-scale activity has ballooned into a boisterous two-day festival dominated largely by the social services it provides. Officials expect more...