About 3 million people in this country consider themselves Buddhist, the majority being immigrants who have brought their faith here. But increasingly Americans from more mainstream religions in the United States are converting to Buddhism after experimenting with one of its many forms... Richard Seager, author of "Buddhism in America" (Columbia University Press) and an associate professor of religious studies at Hamilton College in New York, says some Americans are drawn to Buddhism because they are dissatisfied with the Western concept of a personal God.