The American Association of Retired Persons' national conference gets underway in Minneapolis tomorrow. The three-day convention is expected to draw some twenty thousand seniors and there's a special focus on baby-boomers this year. For most of us, our first contact with AARP comes about six months before our fiftieth birthday. Commentator Susan Vass explains: Comedian Susan Vass lives in Maplewood. Her next show is a benefit at the Mount Zion Temple in St. Paul Sunday June 14th. "Get High-High-High with Laugher" celebrates 18 years in the comedy business.