The French call it Le Temps des Cerises, the Time of Cherries, the brief, shining moment when all's right with the world. For some, that's April, when the cherry trees are in their pink-blossom splendor. For the rest of us, it's mid-June to mid-August, when the fruit is ripe: cherry season. It doesn't last long, so do yourself a favor and buy this now: a cherry pitter. Then you can take advantage of the sales.......