LOST - "The Candidate" - Jack must decide whether or not to trust Locke after he is asked to follow through on a difficult task, on "Lost," TUESDAY, MAY 4 (9:00-10:02 p.m., ET) on the ABC Television Network. (ABC/MARIO PEREZ) FRED KOEHLER (ON GROUND), JORGE GARCIA, EMILIE DE RAVIN, DANIEL DAE KIM, JOSH HOLLOWAY, YUNJIN KIM, EVANGELINE LILLY