OVERSIGHT - ALL ARTICLES
Officials also tell Senate panel that they don't believe any terrorist organization has developed a nuclear device yet.
House Appropriations Committee has worked to double the agency's budget since 2001.
Annual assessment of programs shows continued acquisition problems at Defense.
Defense contractor to run ads, pen op-eds explaining why it won lucrative contract for aerial refueling tankers.
Beginning in June 2009, travelers to the U.S. must present secure identification documents, such as passports.
Skyrocketing cost of health care, retirement programs could squeeze out other critical policy priorities, according to think tank.