<P><P>Philosopher John Lachs observes that humans today live lives of comfort but also sees that these comfortable lives come at a cost: our increasing unhappiness. In <I>The Cost of Comfort</I>, Lachs contemplates what humans need in order to live fulfilled lives in today's world. While comfort has not always reached everyone evenly, Lachs acknowledges that most of us who live in the US today reap the benefits of modern life. We live longer, we...