Today's Show: Losing Religion

At 3:30 ET: Barry Kosmin, co-author of the just-published American Religious Identification Survey (ARIS), which found that 15% of Americans now identify as not having any religion.

At 4:30 ET: David Kushner, author of Levittown: Two Families, One Tycoon, and the Fight for Civil Rights in America’s Legendary Suburb.