How does society function when you can't trust everyone? When we think about trust, we naturally think about personal relationships or bank vaults. That's too narrow. Trust is much broader, and much more important. Nothing in society...

A hack is any means of subverting a system's rules in unintended ways. The tax code isn't computer code, but a series of complex formulas. It has vulnerabilities; we call them "loopholes." We call exploits "tax avoidance strategies." And...