frederick law olmsted is remembered for designing new york city s central park, but justin martin looks at his life as journalist and abolitionist. also in washington, booktv stopped by a book party for juan williams latest, muzzled. and inside the world of the pirates of somalia. sign up for booktv alert, it s weekend schedule s in your inbox. and up next on booktv, michael wallis recalls the life of frontiersman david davy correct. crockett. it s about an hour. thank you so much. it s great to be with you. and it s wonderful to come into a city where there s rain. [laughter] um, i live in, my wife susanne who s with me you ll meet her later we live and have lived for some years in tulsa, oklahoma, where there s plenty of water and wood, it s a very green place, but like the rest of this nation it s been stricken, and temperatures in triple digits for many, many days. and that s the way it s been for us most of the summer because we re now in the last leg of