Penny Grossman cringes each time a student mentions a birthday party during class at her Boston, Massachusetts-area preschool. The rule there, and at a growing number of America's schools, is that parties and play-dates shouldn't be discussed unless every child in the room is invited.

Associated Press, Should we let kids feel exclusion's sting?

Life isn't fair, and the sooner children learn to accept that, the sooner they'll be able to enjoy life's sweet rewards.