Todd Zeiger of the Indiana Landmarks northern regional office was on "Regionally Speaking" on Monday to talk about the May 5th "Logs to Lustrons" architectural tour in the Indiana Dunes National Lakeshore. There will also be an accompanying talk to be held the evening before, entitled "Logs, Glass and Metal: A Century of Architectural Legacy." It will be held in the National Lakeshore's Portage Lakefront Pavilion.