THESE TWO WORDS GAINED EXPANDED meaning for me this summer. While spending a week at Chautauqua Institution , my vacation companion and I attended a dizzying array of performances, lectures and conversations with authors and staff. Each was introduced by the Institution's president or senior staffer, who began by introducing themselves to the audience. In every case -- and I mean every case -- the staff welcomed the audience, said their names and added their titles by saying "I serve Chautauqua Institution as [insert job title here]." It was my companion who pointed this turn of phrase out to me. "Do you hear how they're introducing themselves?" she asked. She'd picked up on right away. The more I heard it, the more I was amazed by it -- not just the uniformity in which it was delivered, but by the powerful servant-driven idea behind it. Obviously, the Institution's leadership made a conscious decision about emphasizing the service aspec...