Two women held up an old “Art Agnos for Mayor” poster; an older man wore a vintage sweatshirt with the same slogan. When Agnos spoke about his own legacy of service on behalf of working class people in the city, he came across as sincere and unrehearsed. Former San Francisco Mayor Art Agnos speaking at a ceremony in Potrero Hill. Lurie, Agnos joked, absorbed lessons of how to be popular from the neighborhood. The street sign, he said, “tells me I met my commitment.”