The economy is changing in dramatic and unexpected ways, and many of us are having a difficult time deciding how to react. Should we adopt a bunker mentality, or keep plugging ahead as if little has changed? The fact is that entrepreneurs are well-suited to respond to the chaos, perhaps even to use it to our advantage, because we recognize that every challenge really presents a new opportunity. To anyone heading a startup, steeling yourself for the ups and downs of circumstances that are often...