Let's have a little contest to see who can come up with the best caption for this photo:

Winner gets bragging rights, their caption displayed on this lovely blog and a portrait with Truman the next time you are with him (also to be displayed on the blog). Let the contest begin!
Truman's taken an impassioned interest in Joe's thumb. Chewing and drool; drooling and chewing. Is this how teething starts?