We talk with author Ricky Riccardi about how Louis Armstrong became the first Black pop star and provided the foundation of improvisation for other musicians. Riccardi's book is Stomp Off, Let's Go.

Ricky Riccardi says Armstrong's innovations helped set the soundtrack of the 20th century. John Powers reviews I'm Still Here ...

In their new book, Einat Wilf and Adi Schwartz attempt to show through ... Wilf and Schwartz show us precisely why a conflict that Western diplomats think can be resolved by drawing lines on maps ...