[O]ur insurance subsidiaries sometimes engage in arbitrage as an alternative to holding short-term cash equivalents. We prefer, of course, to make major long-term commitments, but we often have more cash than good ideas. At such times, arbitrage sometimes promises much greater returns than Treasury Bills and, equally important, cools any temptation we may have to relax our standards for long-term investments. (Charlie's signoff after we've talked about an arbitrage commitment is usually: “Okay, at least it will keep you out of bars.”)
