Disaster_Accident

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Authorities work on the scene of a fatal traffic accident in Hesperia, Calif, Sunday, May 11, 2014. A spokeswoman with the San Bernardino County Sheriff's Department says that four people are confirmed dead after a van smashed into a car that was sitting at a stop sign. (AP Photo/The Victor Valley Daily Press, David Pardo)

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Authorities work on the scene of a fatal traffic accident in Hesperia, Calif, Sunday, May 11, 2014. A spokeswoman with the San Bernardino County Sheriff's Department says that four people are confirmed dead after a van smashed into a car that was sitting at a stop sign. (AP Photo/The Victor Valley Daily Press, David Pardo)

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Authorities work on the scene of a fatal traffic accident in Hesperia, Calif, Sunday, May 11, 2014. A spokeswoman with the San Bernardino County Sheriff's Department says that four people are confirmed dead after a van smashed into a car that was sitting at a stop sign. (AP Photo/The Victor Valley Daily Press, David Pardo)

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Authorities work on the scene of a fatal traffic accident in Hesperia, Calif, Sunday, May 11, 2014. A spokeswoman with the San Bernardino County Sheriff's Department says that four people are confirmed dead after a van smashed into a car that was sitting at a stop sign. (AP Photo/The Victor Valley Daily Press, David Pardo)

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Authorities work on the scene of a fatal traffic accident in Hesperia, Calif, Sunday, May 11, 2014. A spokeswoman with the San Bernardino County Sheriff's Department says that four people are confirmed dead after a van smashed into a car that was sitting at a stop sign. (AP Photo/The Victor Valley Daily Press, David Pardo)

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A truck moves off of Interstate I-70 to chain up before continuing eastward in Vail, Colo. on Sunday, May 11, 2014. The storm that ripped through the Vail Valley on Mother's Day caused numerous accidents and road closures. (AP Photo/The Vail Daily, Anthony Thornton)

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A driver travels west on I-70 during a snowstorm in Vail, Colo. on Sunday, May 11, 2014. The Mother's Day storm caused numerous accidents along the Interstate from Silverthorne to Gypsum. (AP Photo/Vail Daily, Anthony Thornton)

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This Saturday, May 10, 2014 photo shows the newly repaired Washington Monument during a press preview prior to the re-opening of the monument, in Washington. With more than 150 cracks patched and repaired in its white marble, the Washington Monument is set to reopen for the first time since a 2011 earthquake caused widespread damage. (AP Photo/Molly Riley)

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In this Saturday, May 10, 2014 photo, a journalist photographs the Washington Monument during a press preview prior to the re-opening of the monument, in Washington. With more than 150 cracks patched and repaired in its white marble, the Washington Monument is set to reopen for the first time since a 2011 earthquake caused widespread damage. (AP Photo/Molly Riley)

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In this Saturday, May 10, 2014 photo, a journalist photographs the Washington Monument during a press preview prior to the re-opening of the monument, in Washington. With more than 150 cracks patched and repaired in its white marble, the Washington Monument is set to reopen for the first time since a 2011 earthquake caused widespread damage. (AP Photo/Molly Riley)

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In this Saturday, May 10, 2014 photo, a journalist photographs a scale model and a piece of stone in a new exhibit inside the Washington Monument during a press preview prior to the re-opening of the monument, in Washington. With more than 150 cracks patched and repaired in its white marble, the Washington Monument is set to reopen for the first time since a 2011 earthquake caused widespread damage. (AP Photo/Molly Riley)

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In this Saturday, May 10, 2014 photo, Bob Vogel, superintendent of National Mall and Memorial Parks, points out the location of a repaired crack on a scale model in a new exhibit inside the Washington Monument during a press preview prior to the re-opening of the monument, in Washington. With more than 150 cracks patched and repaired in its white marble, the Washington Monument is set to reopen for the first time since a 2011 earthquake caused widespread damage. (AP Photo/Molly Riley)

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In this Saturday, May 10, 2014 photo, Bob Vogel, superintendent of National Mall and Memorial Parks, points out a repaired crack inside the Washington Monument during a press preview prior to the re-opening of the monument, in Washington. With more than 150 cracks patched and repaired in its white marble, the Washington Monument is set to reopen for the first time since a 2011 earthquake caused widespread damage. (AP Photo/Molly Riley)

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In this Saturday, May 10, 2014 photo, Bob Vogel, superintendent of National Mall and Memorial Parks, points out a repaired crack inside the Washington Monument during a press preview prior to the re-opening of the monument, in Washington. With more than 150 cracks patched and repaired in its white marble, the Washington Monument is set to reopen for the first time since a 2011 earthquake caused widespread damage. (AP Photo/Molly Riley)

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This Saturday, May 10, 2014 photo shows the newly repaired Washington Monument during a press preview prior to the re-opening of the monument, in Washington. With more than 150 cracks patched and repaired in its white marble, the Washington Monument is set to reopen for the first time since a 2011 earthquake caused widespread damage. (AP Photo/Molly Riley)