DAVID McMARTIN/Acorn Newspapers DO YOU WORK OUT?-David McMartin, of The Acorn's production department, noticed this chubby fellow munching on an orange in McMartin's Agoura Hills backyard recently. Looks like the squirrel's taking some good first steps towards losing a few extra pounds by choosing his diet carefully. Or, perhaps he is a she and she's expecting a brood of little ones.