IF "YOUNGER MINDS ATTRACT YOUNGER AUDIENCES" isn't your institution's mantra, you should seriously consider making it so. Not just for staff and volunteers, I'm thinking this needs to be your board's mantra, too. That's particularly true for well-established, highly structured cultural organizations presenting traditional programming formats. You know these organizations; you may work or volunteer in one. While we read about the graying of audiences for some cultural activities, I'm wondering how gray the board and senior staff are. Do you think there's a distinct correlation? Younger minds do more than attract younger audiences. They keep the cobwebs at bay. They help us question accepted practice and remix familiar elements to make new connections. And they are the fundamental bridges to our organizations' futures. Some organizations utilize "junior boards" for folks under 40 to try out their chops. If you shine there, you&