Back in the '70s, it was a dusty and sleepy wino bar. You could find more excitement in a convent on a Saturday night. Since then, the historic space has had a string of names and operators. Give a warm welcome to Dehne's Upper 90, the spanking new tenant in an 122-year-old saloon built by the Schlitz Brewing Co. to sell its products back in the days when Milwaukee's breweries operated their own taverns.