Revelations that the Internal Revenue Service targeted some conservative groups seeking tax-exempt status for extra scrutiny have put a spotlight on a part of the tax code increasingly popular with political groups: section 501(c)(4).
But what's the benefit for organizations to get approved for 501(c)(4) status?
A black dehorned rhinoceros is followed by a calf at the Bona Bona Game Reserve in 2012. South Africa has seen a devastating increase in poaching in recent years as black-market demand for rhino horn has grown.
When Duan Biggs was growing up in the Kruger National Park in South Africa, he used to watch elephants and rhinos walking past his bedroom window. He left home to pursue degrees in biology and economics, and when he returned in 2011 the park looked and sounded "like a pseudo war zone," he says.
"There'd be helicopters flying overhead all the time," he says. "I remember one afternoon coming back to my home from a game drive and the bush was crawling with people with assault rifles, from the army, from the police, and from National Parks. They were looking for poachers."
Hundreds of condolences are appearing online for Richard Swanson, the Seattle man whose plan to dribble a soccer ball all the way to Brazil to raise money for charity ended Tuesday after he was struck and killed by a pickup truck in Oregon. Many see his story as an inspiration, and say they'll continue his charity work.
"It is with a heavy heart to notify you that Richard Swanson passed on this morning," reads an update announcing Swanson's death on the Facebook page for his project, Breakaway Brazil, yesterday.