Barack Obama

In his new book Republican Gomorrah: Inside the Movement that Shattered the Party, investigative reporter Max Blumenthal theorizes that a culture of "personal crisis" has transformed the Grand Old Party — and threatened its future.

Street artist Shepard Fairey created the iconic red, white and blue Obama illustration that became the unofficial poster of the campaign. Although his campaign poster never became official, Fairey has been commissioned to design the official poster for the inauguration.

Eric Foner, author of Our Lincoln, talks about the era following the Civil War in which former slaves were promised equal rights and citizenship. Foner is DeWitt Clinton Professor of History at Columbia University.