EVERGLADES, FL - MAY 28:  United States Secretary of the Interior Ken Salazar speaks during a press conference after a tour the Florida Everglades on an airboat on May 28, 2009 in the Everglades, Florida. Florida Governor Charlie Crist (L-R), Thomas Strickland, United States Interior Assistant Secretary for Fish and Wildlife and Parks, Senator Bill Nelson (D-FL) and Rep. Kendrick Meek (D-FL) stand behind him. Salazar visited the Everglades to get a first hand look at the park and get a briefing on invasive species. Getty Images logo Getty Images 33 months ago

EVERGLADES, FL - MAY 28: United States Secretary of the Interior Ken Salazar speaks during a press conference after a tour the Florida Everglades on an airboat on May 28, 2009 in the Everglades, Florida. Florida Governor Charlie Crist (L-R), Thomas Strickland, United States Interior Assistant Secretary for Fish and Wildlife and Parks, Senator Bill Nelson (D-FL) and Rep. Kendrick Meek (D-FL) stand behind him. Salazar visited the Everglades to get a first hand look at the park and get a briefing on invasive species.