To this day, Elijah has an important role in Jewish worship. At the celebration of the Passover Seder, a special cup of wine on the table is called "Elijah's cup." Then, after the meal, a child opens the door in expectation of Elijah's return. Why did Jews in Jesus' day expect Elijah to return before the coming of the Messiah? And what is the connection between John the Baptist and the prophet Elijah? This week's article, "Was John the Baptist Elijah?" explains.