FILE - In this Tuesday, Dec. 27, 2011 video frame grab image made from the Iranian broadcaster IRIB TV, U.S. citizen Amir Mirzaei Hekmati, accused by Iran of spying for the CIA, sits in Tehran's revolutionary court, in Iran. Iran state television has reported that the government has released several dual-national prisoners. The Associated Press has confirmed that three of them were Washington Post reporter Jason Rezaian, former U.S. Marine Amir Hekmati and pastor Saeed Abedini. (AP Photo/IRIB, File) IRAN OUT TV OUT

A look at the dual-national prisoners released by Iran

The Iranian government has released four dual-national prisoners: Washington Post reporter Jason Rezaian, former U.S. Marine Amir Hekmati, pastor Saeed Abedini and Nosratollah Khosravi-Roodsari, whose name had not been previously made public.

FILE - In this May 11, 2003, file photo, Microbiologist Ruth Bryan works with BG nerve agent simulant in Class III Glove Box in the Life Sciences Test Facility at Dugway Proving Ground, Utah. The specialized airtight enclosure is also used for hands-on work with anthrax and other deadly agents. The Centers for Disease Control and Prevention said it is investigating what the Pentagon called an inadvertent shipment of live anthrax spores to government and commercial laboratories in as many as nine states, as well as one overseas, that expected to receive dead spores. (AP Photo/Douglas C. Pizac, File)

US: Deep flaws at biodefense lab after live anthrax shipped

A general and 11 other people associated with a U.S. Army biodefense laboratory face potential punishment for failures that an Army report says contributed to the mistaken shipment of live anthrax to other labs over a period of years.

FILE - In this Jan. 14, 2015, file photo, shows El Capitan in Yosemite National Park, Calif. The names of iconic hotels and other facilities in the world-famous Yosemite National Park will soon change in an ongoing battle over who owns the intellectual property, park officials said Thursday, Jan. 14, 2016. The move comes in an ongoing dispute with Delaware North, the company that lost a $2 billion bid, the National Park Services largest single contract, to run Yosemite’s hotels, restaurants and outdoor activities. (AP Photo/Ben Margot, File)

Yosemite Park landmarks get new names amid trademark tussle

The new names at Yosemite are the latest twist in the dispute with Delaware North, the company that recently lost a $2 billion bid — the National Park Services largest single contract — to run the park’s hotels, restaurants and outdoor activities that draw visitors from around the world.