In the past two and a half months I’ve been to four funerals. Friends. A spouse of a friend. A child of a friend. It has been a cumulative sense of mortality and loss set against the accumulation of horrors that fill every daily newspaper. “Memento mori.” Remember that you must die. That was the Latin phrase slaves are said to have whispered in the ears of conquering generals in ancient Rome as an antidote to hubris…