A striking look at the Jewish rite-and at American Jews in all their diversity. Thirteen years ago, Mark Oppenheimer set off throughout the United States to see how the bar and bat mitzvah were practiced in different regions, by different boys and girls, from different streams of Judaism. That book, "Thirteen and a Day," is now being republished on its thirteenth birthday-its bar mitzvah-as "The Bar Mitzvah Crasher."Since its emergence here a century...