What is the state of wildlife in the National Park System? Defenders of Wildlife President Jamie Rappaport Clark discusses the health of wildlife in the national parks. Steve Markle of O.A.R.S. provides a forecast for the upcoming white-water season in Utah and California on the Green, Colorado, Merced, and Tuolumne rivers, and Erika Zambello tours Tuskegee Institute National Historic Site and Tuskegee Airmen National Historic Site.
