No sillies, not THAT walking, on their own. They're gifted, but not crazy scary gifted.
No, after much discussion, both Addison and Smith have been given walkers. These plastic toys have given them an awful lot of independence.
Here's some quick video of both of them making the trek through the den. Addison is QUITE the drama queen, and was more than aware of the times when the camera was on her. We're in for some interesting times over the next 17+ years.