Spring is here. Sure, the mornings are still chilly - downright cold in some parts of the country - and there's a good chance many of you are driving or biking to work in the wee hours before the morning sunrise. We have just come off a few dark and frozen months and it may take a bit to shake away the slothful dispositions some of us have acquired. By the time you've put in a full day at your job, all you want to do is head home not think about the list of chores waiting for you.