INTERLOCHEN PUBLIC RADIO 2008-04-28 Northern Michigan wineries will be making the case that their wines deserve the attention of retailers, restaurants and distributors across the state. The 2nd annual Northern Michigan Wine Summit is taking place today. Linda Jones is Director of the Michigan Grape & Wine Industry Council. She says with wine now being produced in all 50 states, the popularity of wines from smaller wineries continues to increase. Tom Kramer reports.