One day, I will move from this house in Somerville with its many windows. I will no longer be able to climb its spiral staircase to the top floor and from there to peer out the old window at the towering oak. I will no longer be able to train my camera up through that tree’s branches into the sky. But that day has not yet come. So on this bright September morn, I am grateful for this window, this oak and the blue of the sky beyond. Have a good day, folks.