john we are back with cribb, historian and author of the historical novel "old abe." he is your to talk to us about the 157th anniversary and the lasting significance of president lincoln's gettysburg address. good morning. guest: good morning. thanks for having me. host: you wrote earlier this today the gettysburg address is more important for our nation than ever. tell us why. guest: because the gettysburg address speaks to a problem that has been around as long as human beings or at least society has been around and that is the problem of our people going to rule themselves or are they going to be ruled by others? people who would otherwise take their freedom away. lincoln knew that problem never goes away, it doesn't. he said it is an age-old problem . that is really what he in the end was speaking to in the gettysburg address. day, -- today as in his day, there are forces around the world who want to take freedom away from people here and abroad. we always have to be on our guard against them. lincoln knew that. if you look at the gettysburg address am a he talks