Environment

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Damage from a tornado is seen Tuesday near Convent, La. (The Advocate via Associated Press)

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Debris lies on the ground after part of the roof of a home was destroyed during a storm in Livingston Parish, La., Tuesday, Feb. 23, 2016. Severe weather spawned possible twisters and high winds in parts of the Deep South, authorities said. (Hilary Scheinuk/The Advocate via AP)

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Sen. Marco Rubio has been busy accumulating endorsements throughout February. (Associated Press)

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An U.S. Customs and Border Protection Air and Marine agent peers out of the open door of a helicopter during a patrol flight near the Texas-Mexico border near McAllen, Texas. (Associated Press)

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The Centers for Disease Control and Prevention says Congress needs to provide more funding to fight the Zika virus. (Associated Press/File)

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Sunflower Electric Cooperative's coal-fired power plant in Holcomb, Kansas, is seen in this Feb. 2, 2007, photo. (Associated Press)

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Can't refuse: "The Godfather," with Al Pacino as Michael Corleone, is revered by Donald Trump and Marco Rubio. (Associated Press)

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Republican presidential hopeful Gov. John Kasich speaks during a campaign stop in Mauldin, South Carolina. (AP Photo/Paul Sancya)

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Armstrong Williams.

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Elections 2016 - Live South Carolina Primary Map

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Sen. Marco Rubio placed third in Iowa and struggled to a fifth-place showing in New Hampshire. With South Carolina's primary Saturday, Mr. Rubio is trying to overcome nagging immigration questions once again. (Associated Press)

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Republican presidential candidate Sen. Marco Rubio campaigns with South Carolina Gov. Nikki Haley and Sen. Tim Scott. Voters say they like everything else Mr. Rubio has to say but can't get beyond his record on supporting citizenship rights for illegals. (Associated Press)

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Surrounded by soldiers, a government health agent uses larvicide to kill Aedes aegypti mosquitos that spreads the Zika virus in the Tijuca neighborhood of Rio de Janeiro, Brazil, Monday, Feb. 15, 2016. The Aedes aegypti mosquito lives largely inside homes and can lay eggs in even a bottle-cap's worth of stagnant water. The dishes beneath potted plants are a favorite spot, as are abandoned tires, bird feeders and even the little puddles of rainwater that collect in the folds of plastic tarps. (AP Photo/Silvia Izquierdo)

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This image with notations provided by ImageSat International N.V., Wednesday, Feb. 17, 2016, shows satellite images of Woody Island, the largest of the Paracel Islands, in the South China Sea. A U.S. official confirmed that China has placed a surface-to-air missile system on Woody Island in the Paracel chain, but it is unclear whether this is a short-term deployment or something intended to be more long-lasting. (ImageSat International N.V. via AP) MANDATORY CREDIT, NO SALES