william jernigan is a prominent minister here in washington d.c. for 46 years. he liked this is bethune was a figure. he sought to bring the idea and he's an amazing figure that is everywhere and nowhere at the same time. hopefully the past will gladly have the concept that is fair. >> thank you are a match for your time. >> thank you match. .. [applause] >> good afternoon, everyone, and i'm sure you have any number of welcomes to the book fair but 're going to give you oneanay. we're very glad you're here. this is a discussion about who the most significant periods ere the -- before america first as a nation, and then the runup and the aftermath of the civil war, when america experiences near death as a nation. and bunker hill, nathaniel philbrick chronicles boston in 1775 when british troops occupied the city and engaged a patriot militia in the bloodiest battle of the revolution and the point of no return for the rebellious columnist. nathaniel lives in nantucket where he is a recognized authority on the history of the island, though he told an interviewer i