When the Culver Academies' Black Horse Troop and Equestriennes paraded in front of the reviewing stand at last January's presidential inaugural parade in Washington, D.C., they exhibited a degree of poise unusual in high school students. Their dignified restraint called to mind the admonition of the anonymous football coach whose team got too exuberant in victory. "Now, boys," the coach said. "Act like you've been here before."
