The Summer of Rap, Part 2.

African-American sociologist Terry Williams. He's the coauthor of Growing Up Poor, a highly-praised analysis of the effects of poverty that persists through several generations. His new book, The Cocaine Kids, is the story of a teenage drug ring. Since 1982 he has spent much of his time hanging out with teenage cocaine dealers in cocaine bars, after-hours clubs, discos, restaurants, crack houses, on street corners and at family gatherings and parties. What emerges is a portrait of the urban cocaine business. (Interview by Sedge Thomson)

Ronald Takaki. He's the grandson of Japanese immigrants and a professor of Ethnic Studies at Berkeley. His book, Strangers from a Different Shore: A History of Asian Americans, tells the diverse stories of Asian immigrants who have come to the United States during the past century and a half. Takaki relates the personal testimonies of new immigrants and their American-born children.

Guest film critic Peter Rainer reviews The Package, the new suspense thriller starring Gene Hackman.