The Congressional Research Service (CRS) recently released an update (dated January 6, 2010, as there is often a delay between the update and release) of its "Comprehensive Nuclear-Test-Ban Treaty: Background and Current Developments" report. Have a look here.
“What's really strikes me about ACA is the potential to shape the next generation of leaders on arms control and nuclear policy. This is something I witnessed firsthand as someone who was introduced to the field through ACA.”