Liturgy: The Dancing Nun

In the midst of an ecumenical service in Stanford University's Memorial Chapel last week, a petite female figure, dressed in a long white robe, leaped out of the foyer into the center aisle.

She began to dance toward the altar, her arms gracefully beckoning the 1,400 Protestants and Roman Catholics in attendance to join her in worship. By the altar, she performed a symbolic offertory. Later, she danced a joyous finale entitled God Is Light, then twirled daintily back up the aisle and slipped out of the church door.

The lady in white was Sister Tina Bernal, 22, who may...