Can anything be done about Beijing's 'airpocalypse?'

Mark Clifford joins Dorian Warren to discuss his new book, "The Greening of Asia: The Business Case for Solving Asia's Environmental Emergency," and what innovative strategies Asian countries and companies are employing to solve their pollution crisis.

Telling Lincoln's story, through his step-mother

On the 150th anniversary of President Lincoln's assassination, author Jeff Oppenheimer stops by to discuss his new book, "That Nation Might Live – One Afternoon with Lincoln’s Stepmother."