Dan Kaszeta says it's time for the U.S. military to take chemical weapons more seriously. Creating CBRN brigades would be a useful start.

Joshua Rovner of Southern Methodist University talks about his book, Fixing the Facts, on the intelligence-policy relationship and "politicization" of intelligence during the Iraq War and throughout U.S. history.

CBRN expert Dan Kaszeta argues the terms "Weapons of Mass Destruction" and WMD are undefined, unclear, and unhelpful and should be retired from the lexicon.