Cat Schuknecht

We don't always behave the way economic models say we will. We don't save enough for retirement. We give money to charity. This week, why we act in ways that go against our "rational" self-interest.

One day after the United States signed an agreement with the Taliban, Ashraf Ghani said a proposed prisoner swap between the Taliban and his government could not be a precondition for talks.

Jeffrey Epstein died by apparent suicide on Saturday while awaiting trial on charges of sex trafficking. With no defendant to stand in court, the criminal case against Epstein is effectively over.

Former students at the Dalton School in Manhattan remember Epstein as a young, charismatic teacher. More than four decades later, Epstein stands accused of sexually abusing dozens of underaged girls.