The Chicago Park District has a rule: no gambling on its property. Sounds reasonable, but is a meeting of a pinochle club to be considered gambling? The Park District says so, and pressed the club to change the ways that it collects antes and awards its winnings. Superintendant Jack Sebesta: "I know one or two dollars sounds so minor . . . but we're a government agency. No matter what my personal opinion is, it's the law." [Trib. login: gapers/gapers]