This report provides background information on terrorist attacks in Russia's North Caucasus that includes the formerly breakaway Chechnya and other ethnic-based regions--appeared to increase substantially in 2007-2009. The report discusses impact of the August 2008 Russia-Georgia conflict and the recent development in the Northern Caucasus.

As an aid to Congress in understanding nuclear weapons, nuclear proliferation, and arms control matters, this report describes which agency is responsible for research and development (R&D) of nuclear weapons (i.e., nuclear explosive devices, as distinct from the bombers and missiles that deliver them) in the nine nations with nuclear weapons and whether these agencies are civilian or military. It also traces the history of such agencies in the United States from 1942 to the present.