Orville L. Freeman, former Minnesota governor and agriculture secretary to Presidents Kennedy and Johnson, died Thursday night. He was 84. Freeman died of complications from Alzheimer's disease, his family said in a statement Friday. Freeman was among a generation of nationally prominent leaders from Minnesota's Democratic-Farmer-Labor Party that also included former vice presidents Hubert Humphrey and Walter Mondale. This hour, a 1997 Voices of Minnesota interview with Freeman, produced by Minnesota Public Radio's Dan Olson.