In this issue:THE FINANCIAL PAGE "Change We Can't Believe In", by James Surowiecki: Argentina's great coin shortage.THE TALK OF THE TOWN "Panther(s)!", by Nick PaumgartenFICTION "Good Neighbors", by Jonathan Franzen.A CRITIC AT LARGE "Show or Tell", by Louis Menand: Can you teach creative writing?ON TELEVISION "Naughty Nurse", by Nancy Franklin: A review of Nurse Jackie.