The city doesn’t have a municipal community center out Thornton Road, but there’s one anyway, a liquor store. The popular guy who runs it is retiring.Mike Merseth, who started at Herbst Liquor in 1975, is calling it quits, probably Wednesday. “I probably know — I’m guessing — 75 percent of my customers by name,” said Merseth, 56.Merseth runs such a clean and friendly operation that people hang out there like you might [...]