excan mation point -- exclamation point. [applause] [captions copyright national cable satellite corp. 2015] [captioning performed by the national captioning institute, which is responsible for its caption content and accuracy. visit ncicap.org] >> moving to our road to the white house coverage. join us sunday evening at 6:30 eastern as harvard professor and presidential candidate, lawrence lessig, talks about his decision to run for president and suggestions to change the political system. and on c-span2's book tv, tonight at 10:00 p.m., fox news host, bill o'reilly, speaks with buchanan on his latest book "killing reagan" an inside look at ronald reagan's political career. on sunday afternoon at 1:00, author and investor, doug casey, sits down with book tv at freedom fest in las vegas to discuss his latest book on politics and economics. on american history tv on c-span3, today, starting at 7:00 eastern, we are live from gettysburg college to mark the 125th anniversary of president dwight d. eisenhower's birth, discussing

excan mation point -- exclamation point. [applause] [captions copyright national cable satellite corp. 2015] [captioning performed by the national captioning institute, which is responsible for its caption content and accuracy. visit ncicap.org] >> moving to our road to the white house coverage. join us sunday evening at 6:30 eastern as harvard professor and presidential candidate, lawrence lessig, talks about his decision to run for president and suggestions to change the political system. and on c-span2's book tv, tonight at 10:00 p.m., fox new