"60 MINUTES" LISTINGS FOR SUNDAY, JUNE 29, 2008

THE PURGE - A Baghdad clergyman estimates that 90 percent of Iraq's Christians, once thought to number over a million, have either fled or have been murdered by Islamic extremists during the religious civil war. Scott Pelley reports. Shawn Efran and Philip Ittner are the producers.

ROOTS - The new field of genetic genealogy uses DNA to trace ancestry back hundreds of years, sometimes surprising customers with unlikely relatives. Lesley Stahl reports. Shari Finkelstein is the producer.

WILL SMITH - Steve Kroft profiles the versatile actor on the eve of his next film. John Hamlin and Albert Kahwaty are the producers.