About the time this magazine reaches your mailbox, many of you won't be around to read it. Some will be physically away on summer vacations. Others will be mentally away, in the lazy, hazy, lackadaisical nature of the season. Magazines, in particular, are notorious for their summertime blues. Readership gets light and more casual, as does much of the reading matter. Some skip issues, or publish special "double" issues, in recognition that neither their staff nor their readers have the same disposition for magazine content that they have the rest of the year. And it's not just …