As controversy swirls around revelations of gifts to Justice Clarence Thomas, we'll speak with award-winning filmmaker Michael Kirk. His PBS/FRONTLINE documentary is Clarence and Ginni Thomas: Politics, Power and the Supreme Court.Jazz critic Kevin Whitehead reviews Arturo O'Farrill's new album, Legacies. Also, we talk with medical anthropologist Theresa MacPhail about allergies. If it seems like your seasonal allergies are getting worse over time, you're probably not wrong. Allergies have risen dramatically in recent years, both in the U.S. around the world. MacPhail's book is Allergic: Our Irritated Bodies in a Changing World.