Oil-and-chemical billionaire David Koch lobbies hard to influence U.S. politics and environment and energy policy. Did his money influence the kind of coverage presented on public television?

"Mistakes were made, and one narrative too readily embraced, in coverage of the blast. Meanwhile, The Dallas Morning News excelled."

"President Obama’s conciliatory gesture toward the press this week — a review of Justice Department investigations involving journalists — struck some national security reporters as closing the door after the sources have already bolted."

"WASHINGTON, DC -- The Obama Administration’s plan to remove the gray wolf from the protections of the Endangered Species Act, as detailed in a draft Federal Register notice released today by Public Employees for Environmental Responsibility, PEER, is temporarily on hold."

"LONDON — More than a decade ago, British parents refused to give measles shots to at least a million children because of now discredited research that linked the vaccine to autism. Now, health officials are scrambling to catch up and stop a growing epidemic of the contagious disease."

"This isn’t the first time the agency has investigated political groups – just the first time it’s become a full-blown controversy."

"The Obama administration said Thursday it will require companies that drill for oil and natural gas on federal lands to publicly disclose chemicals used in hydraulic fracturing operations. The new "fracking" rule replaces a draft proposed last year that was withdrawn amid industry complaints that federal regulation could hinder an ongoing boom in natural gas production.

Major news and journalism organizations, including the Society of Environmental Journalists, have condemned the Justice Department's seizure of Associated Press phone records as a threat to journalists' ability to report on government conduct.

"LONDON — The authorities on Tuesday raided the offices of several oil companies and an industry data provider as part of a broader inquiry by the European Commission into potential price manipulation."

"Twenty-four plaintiffs, including a dozen police officers who rushed to the scene of a November train derailment in Paulsboro, sued on Monday, alleging that the rail company's negligence caused the derailment, and that it downplayed the dangers of a chemical spill and failed to protect responders."

"How ‘balanced’ coverage helped sustain the bogus claim that childhood vaccines can cause autism"

"A coalition of progressive groups is pulling its ads from Facebook in protest over political positions taken by the organization started by Facebook founder Mark Zuckerberg."

"With the muzzling of scientists, Harper’s obsession with controlling the message verges on the Orwellian."

"Following the fertilizer plant blast, Texas cited terror concerns in withholding information on dangerous chemicals. Some say that secrecy deprives citizens of the ability to make decisions about their safety."

"Dan Rather called it 'the most watched load of garbage in the memory of man.' It was 1987. A small town businessman had what seemed like a promising idea, to transport New York trash by barge to a landfill in North Carolina, where it would be converted into methane to heat homes. And then the news media latched on to the story."