Jonathan Kozol Tackles Homelessness.

Author Jonathan Kozol. His new book, Rachel and Her Children, is about The Martinique Hotel, one of the largest welfare hotels in New York City. Kozol spent two years interviewing the families who lived there. Kozol's previous work has focused on inner city education and illiteracy.

White spent his early childhood in poverty in Baltimore, at times sleeping in abandoned houses. He's now principal tubist in the Santa Fe Symphony and the New Mexico Philharmonic.

Arnold's latest film, which won the Jury Prize at the 2016 Cannes Film Festival, tells the story of a group of abandoned teenagers who travel together selling magazine subscriptions door-to-door.