The Minnesota Zoo is celebrating its 20th anniversary this weekend. The "new zoo," as some of us still call it, stretches over five hundred acres in Apple Valley, and now boasts over twenty-thee hundred animals, over a hundred of which are endangered species. Jim Streeter is the Zoo's conservation manager. He says protecting these endangered species is a vital part of the zoo's mission: Jim Streeter is the conservation manager for the Minnesota Zoo which is celebrating its 20th anniversary this weekend. There are a number of events for families going on this weekend, including a special exhibit featuring fr