A Carmel, Indiana, teacher is puzzled to hear younger colleagues pronounce the words kitten and mitten as KIH-un and MIH-un, with a noticeable break between the syllables. Linguist David Eddington of Brigham Young University reports that this phenomenon, called glottalization, is a growing feature of American dialect, mainly among young women in their twenties and thirties, particularly in the western United States. This is part of a complete episode.