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• The problems are myriad: earthen walls weakened by trees, shrubs and burrowing animal holes; houses built dangerously close to or even on top of levees; decayed pipes and pumping stations.
• The Associated Press requested, under the Freedom of Information Act, details on why certain levees were judged unacceptable and how many people would be affected in a flood. The Corps declined on grounds that such information could heighten risks of terrorism and sabotage.
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• WASHINGTON (AP) -- Lithium batteries that can leak corrosive fluid and start fires have emerged as the chief safety concern involving Boeing's 787 Dreamliner, a problem that apparently is far more serious than government or company officials acknowledged less than a week ago.
• The Federal Aviation Administration late Wednesday grounded Boeing's newest and most technologically advanced jetliner until the risk of battery fires is resolved. The order applies only to the six Dreamliners operated by United Airlines, the lone U.S. carrier with 787s. But other airlines and civil aviation authorities in other countries will be under pressure to follow suit or face possible accusations of taking unnecessary risks with public safety.
• Japan's two largest air carriers voluntarily grounded their 787s on Wednesday ahead of the FAA's order following an emergency landing by one of the planes in Japan. The Indian government ordered Air India to ground its fleet of six Boeing 787 aircraft. That means more than two-thirds of the world's 50 787s are grounded pending safety checks.
• Only hours before the FAA issued its order, Transportation Secretary Ray LaHood reiterated to reporters that he considers the plane safe and wouldn't hesitate to fly one. LaHood and FAA Administrator Michael Huerta unequivocally declared the plane safe at a news conference last week even while they ordered a safety review of the aircraft.
• However, as details emerged of two battery failures only 10 days apart, it became apparent that the FAA wouldn't be able to wait for completion of its safety review before taking action. An inspection of the All Nippon Airways 787 that made an emergency landing in western Japan found that electrolytes, a flammable battery fluid, had leaked from the plane's main lithium-ion battery. Investigators found burn

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