Ira visits marital researcher John Gottman, who's part of a generation of researchers that have revolutionized the way we see marriage by observing successful and unsuccessful marriages and trying to figure out what the successful happy ones are doing that the ones who end up in divorce are not. Marriage research and links to marriage education programs for couples are online at www.smartmarriages.com.

We hear the first part of our story about Archer Daniels Midland and FBI informant Mark Whitacre. In this half, Whitacre inadvertently ends up a cooperating witness—and turns himself into one of the best cooperating witnesses in the history of U.S. law enforcement, gathering evidence with an adeptness few have matched.

Temporary employment agencies' business has exploded in the last few years as corporations lay off their full-time employees, especially technical workers. This American Life "hired" two temp workers, Lee and Tito, to document their experiences as temps. Ira invites Tito and Lee into the studio to spin some music "appropriate" for temp employees.

Ira Glass travels through Israel with Adam Davidson, who speaks Hebrew and has countless Israeli cousins and other family members. They find that the entire country has moved to the right in reaction to Palestinian violence.