Figure 6.36Everglades National Park in Florida has long played a role in U.S. presidential politics.Visits to iconic national parks and protected landscapes are common in U.S. political campaigns and meant to symbolize a candidate’s commitment to protecting the environment. Here, Vice President Joe Biden speaks during an Everglades tour while United States Senator Bill Nelson and Representative Alcee Hastings look on.(Taimy Alvarez/Sun Sentinel/MCT via Getty Images.)