I only walk when no one is looking.

Sam has been a bit of a late bloomer in the walking-and-talking department.  He started standing in mid-May and took one or two steps around Memorial day, but has only just started willingly walking from one place to another, maxing out at around five steps.  But it definitely counts as walking in my book.  Here's the proof:

This is what "talking" (and eating yogurt) looks like: