next, a commencement speeches by a missouri government -- governor jay nixon and samuel palmisano, barney frank and general martin dempsey. >> of the be-52, everyone thinks back to vietnam, at they think of the history of the cold war, but there is a different kind of power associated with the b-52. >> women and confederates who knew each other prior to be civil war and fought against each other in 1862. here they are at age 100 talking about the old days. >> the date to the west is 903. they reflect or reference a moment of the bomb which was at 9 02. >> every month on book tv and american history tv. look for the history of our next stop, jefferson city, missouri. >> governor jay nixon was that commencement speaker at northwest missouri state. he spoke to the class of 2012 about the importance of higher education and alternative energy advances. jay nixon was the attorney general for four terms before becoming governor in 2008. his speech is 12 minutes. [applause] >> thank you, president, board of regents, a distinguished faculty, families, and the students, i am delighted to be here on

then we'll hear from ibm chairman samuel palmisano at johns hopkins university in baltimore, massachusetts congressman barney frank at lasell college in newton, massachusetts and joint chiefs of staff chairman, general martin dempsey, at norwich university in northfield, vermont. tonight, espn president john skipper on the network's expansion to different media platforms. cnn chief national correspondent john king on the ways technology has changed cnn, and cox business senior vice president phil meeks and their small business focus on the communicators, tonight at 8:00 on c-span 2. >> pulitzer prize winner author david mariness traveled the globe visiting places like kenya and kansas to examine the president's family tree. book tv gives you a preview with exclusive pictures and video, including our trip to kenya with the author in january 2010. join us sunday at 6:00 p.m. eastern and later at 7:30 that same night, your phone calls, e-mails and tweets for the author on c-span 2's book tv. >> missouri governor jay nixon delivered the commencement address at northwest missouri state universi