Ethics is commonly assumed to be the one realm in which luck and risk do not intrude. It has been said that 'While one can be lucky in one's business, in one's married life, and in one's health, one cannot, so it is commonly assumed, be subject to luck as far as one's moral worth is concerned.' But although we do not normally hold people responsible for outcomes beyond their control, a serious examination of the role of luck and risk may lead us...