EPA
Facing a tough re-election bid, Ayotte stakes out a moderate position on power plants.
The Navy says sinking exercises provide important training, but environmental groups maintain they're wasteful and destructive.
The stay is the latest in a series of legal setbacks for the Obama administration's environmental regulations.
The embattled German automaker might have another big, expensive problem on its hands.
WHAT'S HAPPENING
Environmental and public health groups say the new standard is a "betrayal" of clean air protections.
"We depend on farmworkers every day... they deserve fair, equitable working standards with strong health and safety protections."
"We won't tell them what these tests are -- they don't need to know."
New estimate is more than double the EPA's.
The new map launches as international researchers sound louder alarms about air pollution's profound health effects in China.
A week after promising to crack down on corporate crime, the Obama administration may have gotten its chance with Volkswagen.