We're joined this week by Costa Dillon, a National Park Service veteran who ended his long career as superintendent of Indiana Dunes National Park, to discuss a novel management decision in Thailand to close that country’s national parks every year for two months to give wildlife a break from humans. Would such a move be good for America’s national parks? Lynn Riddick returns this week with a story about a roughly 1,200-mile extension to the Lewis and Clark National Historic Trail that runs from St. Louis to Pittsburgh.
