Kaleb and I took a walk this morning after he ate his breakfast.  He saw a neighbor walking a pug that he was really interested in but they didn't see us.  He stood and watched them walk away.  The callous on his right front leg does have some crusty stuff on it.  I didn't mess with it this morning figuring that you'd look at it.  I've enjoyed visiting with Kaleb but I know he'll be glad when you're home.