Hospitality_Recreation

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Steel from the World Trader Center north tower floors 97 and 98, left, is displayed at the National Sept. 11 Memorial Museum, Wednesday, May 14, 2014, in New York. The museum is a monument to how the Sept. 11 terror attacks shaped history, from its heart-wrenching artifacts to the underground space that houses them amid the remnants of the fallen twin towers' foundations. It also reflects the complexity of crafting a public understanding of the terrorist attacks and reconceiving ground zero. (AP Photo)

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A worker prepares signage in the lobby of the National Sept. 11 Memorial Museum, Wednesday, May 14, 2014, in New York. The museum is a monument to how the Sept. 11 terror attacks shaped history, from its heart-wrenching artifacts to the underground space that houses them amid the remnants of the fallen twin towers' foundations. It also reflects the complexity of crafting a public understanding of the terrorist attacks and reconceiving ground zero. (AP Photo)

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Portraits of the Al-Qaeda hijackers are displayed at the National Sept. 11 Memorial Museum, Wednesday, May 14, 2014, in New York. The museum is a monument to how the Sept. 11 terror attacks shaped history, from its heart-wrenching artifacts to the underground space that houses them amid the remnants of the fallen twin towers' foundations. It also reflects the complexity of crafting a public understanding of the terrorist attacks and reconceiving ground zero. (AP Photo)

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A portion of the World Trade Center slurry wall, left, and the symbolic last beam, are displayed at the National Sept. 11 Memorial Museum, Wednesday, May 14, 2014, in New York. The museum is a monument to how the Sept. 11 terror attacks shaped history, from its heart-wrenching artifacts to the underground space that houses them amid the remnants of the fallen twin towers' foundations. It also reflects the complexity of crafting a public understanding of the terrorist attacks and reconceiving ground zero. (AP Photo)

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A salvaged bicycle rack, that was located on the northern edge of the World Trade Center site, is displayed at the National Sept. 11 Memorial Museum, Wednesday, May 14, 2014, in New York. The museum is a monument to how the Sept. 11 terror attacks shaped history, from its heart-wrenching artifacts to the underground space that houses them amid the remnants of the fallen twin towers' foundations. It also reflects the complexity of crafting a public understanding of the terrorist attacks and reconceiving ground zero. (AP Photo)

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The remains of New York City Fire Dept. truck from Engine Company 21 are displayed at the National Sept. 11 Memorial Museum, Wednesday, May 14, 2014, in New York. The museum is a monument to how the Sept. 11 terror attacks shaped history, from its heart-wrenching artifacts to the underground space that houses them amid the remnants of the fallen twin towers' foundations. It also reflects the complexity of crafting a public understanding of the terrorist attacks and reconceiving ground zero. (AP Photo)

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A sign tracking the time Osama Bin Laden was at large is displayed at the National Sept. 11 Memorial Museum, Wednesday, May 14, 2014, in New York. The museum is a monument to how the Sept. 11 terror attacks shaped history, from its heart-wrenching artifacts to the underground space that houses them amid the remnants of the fallen twin towers' foundations. It also reflects the complexity of crafting a public understanding of the terrorist attacks and reconceiving ground zero. (AP Photo)

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The twisted remains of a portion of the television transmission tower from the World Trade Center is displayed at the National Sept. 11 Memorial Museum, Wednesday, May 14, 2014, in New York. The museum is a monument to how the Sept. 11 terror attacks shaped history, from its heart-wrenching artifacts to the underground space that houses them amid the remnants of the fallen twin towers' foundations. It also reflects the complexity of crafting a public understanding of the terrorist attacks and reconceiving ground zero. (AP Photo)

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The remains of Fire Dept. of New York Ladder Company 3's truck are displayed at the National Sept. 11 Memorial Museum, Wednesday, May 14, 2014, in New York. The museum is a monument to how the Sept. 11 terror attacks shaped history, from its heart-wrenching artifacts to the underground space that houses them amid the remnants of the fallen twin towers' foundations. It also reflects the complexity of crafting a public understanding of the terrorist attacks and reconceiving ground zero. (AP Photo)

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A Port Authority of New York and New Jersey worker views a display of the attack on the Pentagon at the National Sept. 11 Memorial Museum, Wednesday, May 14, 2014, in New York. The museum is a monument to how the Sept. 11 terror attacks shaped history, from its heart-wrenching artifacts to the underground space that houses them amid the remnants of the fallen twin towers' foundations. It also reflects the complexity of crafting a public understanding of the terrorist attacks and reconceiving ground zero. (AP Photo)

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The "Survivor Stairs," left, from The World Trader Center, are displayed at the National Sept. 11 Memorial Museum, Wednesday, May 14, 2014, in New York. The museum is a monument to how the Sept. 11 terror attacks shaped history, from its heart-wrenching artifacts to the underground space that houses them amid the remnants of the fallen twin towers' foundations. It also reflects the complexity of crafting a public understanding of the terrorist attacks and reconceiving ground zero. (AP Photo)

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Admiral Hyman G. Rickover, right, greets President Jimmy Carter and first lady Rosalynn Carter at the Brunswick, Ga. Airport, May 27, 1977 as they departed for Port Canaveral, Fla., to tour and ride in the U.S.S. Los Angeles submarine. The Carter family is staying at nearby St. Simons Island, Ga. during a working holiday vacation. (AP Photo/Charles Harrity)

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President Jimmy Carter tells newsmen of his submarine ride aboard the nuclear submarine U.S.S. Los Angeles, May 28, 1977. Adm. Hyman Rickover, left, who accompanied Carter on the all-day cruise, stands by. In background is the conning tower of the submarine.

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Admiral Hyman G. Rickover, right, greets President Jimmy Carter and first lady Rosalynn Carter at the Brunswick, Ga. Airport, May 27, 1977 as they departed for Port Canaveral, Fla., to tour and ride in the U.S.S. Los Angeles submarine. The Carter family is staying at nearby St. Simons Island, Ga. during a working holiday vacation. (AP Photo/Charles Harrity)

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President Jimmy Carter tells newsmen of his submarine ride aboard the nuclear submarine U.S.S. Los Angeles, May 28, 1977. Adm. Hyman Rickover, left, who accompanied Carter on the all-day cruise, stands by. In background is the conning tower of the submarine.

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Exercise rider Bryan Beccia breezes Preakness Stakes hopeful Ride On Curlin at Pimlico Race Course in Baltimore, Md., Wednesday, May 14, 2014. The Preakness Stakes is Saturday, May 17. (AP Photo/Garry Jones)