Downtown Naperville business owners say it’s too soon to pass blame for a tragic but otherwise isolated incident: the weekend fatal stabbing of a schoolteacher at Frankie’s Blue Room. City Councilman Doug Krause, who called for tougher liquor laws “should be ashamed of himself … He knows there’s not a problem downtown,” said Jim Bergeron, owner of Jimmy’s Grill at 245 W. Washington…

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Naperville business owners: Too early to pass blame in stabbing