A worker makes a cut in the side of a sandstone block at the Cleveland Quarries facility in Vermilion, Ohio, earlier this month. The legal limit on the amount of silica that workers can inhale was set decades ago.
Credit Ty Wright / Bloomberg via Getty Images
An employee uses a wet saw to cut a slab of sandstone at a Lang Stone Co. facility in Columbus, Ohio, in January. Using water while cutting helps keep dust out of the air.
John Brennan, President Obama's choice to lead the CIA, can look forward to a grilling Thursday on Capitol Hill. As Obama's chief counterterrorism adviser, he has been associated with some controversial policies, including the use of armed drones. Brennan's nomination comes before the Senate Intelligence Committee, and members from both parties have their questions ready.
Just a stone's throw from two of Los Angeles' busiest freeways lies the Sepulveda Basin Wildlife Reserve, a unique spot in an urban jungle.
The northern portion of the reserve is adorned with 30-foot-tall cottonwood trees, spots of coyote bush and other plants. Native plants cover 50 percent of the nature spot, says Kris Ohlenkamp with the San Fernando Valley Audubon Society.
"On the other side it was significantly more than that," he says.
Minnesota has a Democratic governor, two Democratic senators, and Democrats control both houses of its Legislature. So it may have come as no surprise when President Obama went there earlier this week to rally support for his proposals to reduce gun violence.
But even in the politically blue state, there's considerable resistance to placing further restrictions on gun ownership.
During his visit to a Minneapolis police facility Monday, Obama urged Minnesotans to find common ground in curbing gun violence.