In 1913, Abraham Isaac Kook , the great theorist of religious Zionism, and his friend Yosef Chaim Sonnenfeld, one of the founding figures of Jerusalem’s ultra-Orthodox community, embarked on a journey through the northern part of the land of Israel. Their goal was to speak with Zionist pioneers in the overwhelmingly secular communities in the area and attempt to expose them to religious ideas. Discussing among other things the various stops the two rabbis made in their travels, Yedidya Sinclair, Chaim Brovender, and Jeffrey Saks examine some key themes in their thought. (Audio, seven episodes, about 40 minutes each.)
Read more on Web Yeshiva: http://www.webyeshiva.org/rav-kooks-travels/