Terry Gross

Presidential historian Jon Meacham says looking back at times when the nation was divided by partisan fury and racial strife can help shed light on "the politics of the moment."

A few minutes into her performance at the White House Correspondents' Dinner on Saturday night, comic Michelle Wolf joked that the event organizers should have done more research before booking her. By the end of the set, the organizers may have agreed.

Journalist Alex Wagner was 12 years old when a line cook in a diner asked her if she was adopted. Wagner was taken aback — her father's family came generations ago from Luxembourg, and her mother came to the U.S. from what was then Burma.