North Korea’s nuclear test may further damage nonproliferation efforts, as well as complicate ongoing negotiations with Iran to suspend its nuclear program. Much will depend on the response from Mosc…

A new arms control agreement with Russia has met political opposition in the U.S. Senate, and some analysts believe its fate is tied to the outcome of the 2010 midterm elections. This Backgrounder ex…

President-elect Barack Obama made many promises on defense spending and strategy during his two-year run for the White House. But analysts say economic constraints and political pressure could make i…