LAKE FOREST, Calif. — Saddleback Church baptized 800 people in a marathon three-and-a-half-hour ceremony March 28, after nearly 2,400 people attended a four-hour class for people interested in becoming members of the church. Several hundred people made first-time professions of faith during the CLASS 101 session, according to a statement released by the Lake Forest, Calif., church’s public relations firm.…