people killed since anti-government protests began more than two years ago. our own nick paton walsh was there from the very beginning. >> it's that sound that terrifies ordinary residents of aleppo daily. jets coming in low overhead and never knowing really until you hear the blast exactly what their target is. >> nick shares his emmy-award winning reporting from the front lines. syria. he is here with us in atlanta in the studios, and he's up next. [ male announcer ] this is claira. to prove to you that aleve is the better choice for her, she's agreed to give it up. that's today? [ male announcer ] we'll be with her all day to see how it goes. [ claira ] after the deliveries, i was okay. now the ciabatta is done and the pain is starting again. more pills? seriously? seriously. [ groans ] all these stops to take more pills can be a pain.