THE LONE PILGRIM
by Laurie Colwin
Knopf; 211 pages; $9.95
Among its many other functions, fiction brings back news from the front lines of the war between the sexes. In recent years, such bulletins have made for increasingly grim reading: the men are swinish, the women strident, and most of the fun has gone out of the struggle. The 13 stories in The Lone Pilgrim thus offer what amounts to a minority report. Author Laurie Colwin is a remarkably cheerful messenger. She tells of women and men who somehow manage to live vibrantly through the problems they cannot solve and the fights...