there'd be the sheer logistical challenge of trying to ensure the safety of any united nations inspectors that would be on the ground in syria in the midst of a horrendous civil war that has included not only artillery and air strikes and scud missile strikes, but also deadly car bombs, kidnapping and on august 21st as the u.n. investigation has concluded, large use of chemical weapons that killed at least 1,400 civilians. martin. >> there's still a great deal of skepticism. ivan watson in new york. thanks very much. some have equated chicago to a city under siege. nearly a dozen shot, four of them killed in just the last 24 hours. and that follows a shooting thursday night when 13 people were hit by gunfire in a park. all of this happening while the city says things are getting better. we're going in depth next. [ female announcer ] what if the next big thing, isn't a thing at all?