Heat wave slows Metro trains

Michael Sweeney, 6, of Gulfport, Fla., cools off at the National Zoo on a day when local temperatures reached the triple digits. The push-button misters help the zoo save water. (Barbara L. Salisbury/The Washington Times)

Michael Sweeney, 6, of Gulfport, Fla., cools off at the National Zoo on a day when local temperatures reached the triple digits. The push-button misters help the zoo save water. (Barbara L. Salisbury/The Washington Times)

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