We hear exactly how smugglers are trafficking migrants through Europe. One reporter was interviewing a Syrian family in Serbia when a smuggler named Alex walked up to them and started negotiating. We'll hear some of that recorded conversation. Also, the majority of medical school students in Pakistan are female, but the majority of practicing doctors are male. Why do so few women who graduate from med school end up practicing their profession? Plus, we speak with one of the twins at the heart of the documentary, "Twinsters."