al qaeda from developing in iraq and when general petraeus launched his surge there. >> yeah, those are important stories to keep an eye on. ambassad ambassador g ins berg, thanks. we have a neuroscientist who spent decades studying human brain and now turning to the dog brain. what he found and this is true, gra tu tous use of adorable puppy videos. up ahead. [ paper rustles, outdoor sounds ] ♪ [ male announcer ] laura's heart attack didn't come with a warning. today her doctor has her on a bayer aspirin regimen to help reduce the risk of another one. if you've had a heart attack, be sure to talk to your doctor before you begin an aspirin regimen.