Dr. Vittorio Gallese explains how the brain's complex mirror neurons help shape personality. Then, we check in on a slow-speed leatherback turtle race. And Julia Alvarez talks about her latest novel. Later on, bass player Christian McBride pays tribute to the late Charles Mingus. Plus, Sari Nusseibeh talks about serving as the PLO’s chief representative in Jerusalem from 2001 to 2002.