This morning, we talked to Steven Pinker about why he thinks the world is becoming less violent, author Harriet Washington about the negative impacts of profit-driven medical research, and Nobel Prize winner Dr. Ralph Steinman’s daughter about her father’s legacy. Today’s playlist is brought to you by the letter “B.” Bambi Molesters – Lazy Ladies Battles – Tonto Budos Band – Budos Rising Beirut – In the Mausoluem Boards of Canada – Pontiac Dream Brothers Past – Red Rover Benevento Russo Duo – Sunny’s Song Buckethead – Sea Wall Beck – Sing it Again Broken Social Scene – Shoreline 7/4 Beats Antique – Beauty Beat Blutech – Desperate Ends The Bad Plus – Human Behavior (by BjorkJ)