"Republican presidential candidate Jeb Bush on Tuesday proposed a sweeping rollback of federal regulations on the environment, Wall Street and other areas, saying a buildup of rules during the Obama administration has stifled economic growth."

"DES MOINES, Iowa – Democratic presidential front-runner Hillary Rodham Clinton declared opposition to the proposed Keystone XL pipeline on Tuesday, ending a long and politically uncomfortable silence on an issue that has become a touchstone for environmentalists and liberal voters."

"As Pope Francis visits the United States for the first time, a new CNN/ORC Poll finds the head of the Catholic Church is largely viewed favorably nationwide and that most Catholics approve of his comments even on controversial issues."

"More than half the members of the U.S. Senate are urging chamber leadership to pass a bill reauthorizing a federal conservation program before it expires at the end of the month."

"FORT BRIDGER, Wyo. — The sun was sinking and the brook trout were biting, so Andy Johnson and his daughter Aspen, 6, stepped onto their sun-bleached pier, hooked some mealworms and cast their lines into the most infamous pond in the West."

"Clout can be defined in many ways. In California's parched Central Valley farmlands, it's the ability to secure water."

"A popular fund that has supported hundreds of parks around the country is set to go away in less than two weeks, and Congressional dithering is to blame."

"The House Energy and Commerce Committee took a major step Thursday toward allowing crude oil exports from the United States."

"Pope Francis wants you to turn off the A/C."

Donald Trump's statement, during the September 16, 2015, debate, that vaccinations cause autism contradicted science and endangered human lives, doctors say. Moreover, the idea (expressed by several candidates) that scheduling childhood vaccinations less frequently than pediatricians recommend also endangers the health of children.