but it was he who looks at the cornwall valley and saw what i believe for a was which was a sunk cost. that's definitely something to think about it over the officers who were to make these kinds of calls in the moment.versus the ones who are you, these conclusions much later time were so interested in getting done what the mental. for a when they should stay totheir chain of command this isn't something that should get done or could get done . >> with that, we're pretty much out of time. people >> well, with that, we are pretty much out of time. thank you both for a great conversation. i. highly recommend the book. pick up the book which is not today. it does cover the previous 20 years in details that have been to many of those who were even there or have been following it will find a lot that may have been forgotten. and with that, thank you. ♪ ♪ ♪ >> american history tv saturdays on c-span2 exploring the people and events that tell the american story. >> at two p.m. eastern on the presidency a look at presidential trains with bob withers who wrote the president traveled by t

but it was he who looks at the cornwall valley and saw what i believe for a was which was a sunk cost. that's definitely something to think about it over the officers who were to make these kinds of calls in the moment.versus the ones who are you, these conclusions much later time were so interested in getting done what the mental. for a when they should stay totheir chain of command this isn't something that should get done or could get done . >> with that, we're pretty much out of time. people for some great conversation. i recommend you to pick up a book which is now today. and it now we're into answering the production of 10 years out but it does cover the previous 20 years in detail but i think many of those who were even there were these following will find a lot that may h tv.org. >> good afternoon, everyone and thank you for joining us today. i'd like to welcome you to our

that news was released this afternoon by thames valley - this afternoon by thames valley police, at 8:30am, about two hours after we saw those pictures of prince charles and camilla, the duchess of cornwall, walking towards saint george's chapel, two hours before, rather, we know a teenager armed with what the police have described as an offensive weapon was arrested within windsor castle's grounds. superintendent rebecca mears from thames valley police said security processes were triggered within moments of the man entering the grounds. he did not enter any buildings. the royalfamily were informed. we know this is a 19—year—old from southampton. he is now in custody, arrested on suspicion of breach of trust part of a protected site and possession of an offensive weapon.— a protected site and possession of an offensive weapon. sarah campbell, thank ou an offensive weapon. sarah campbell, thank you very — an offensive weapon. sarah campbell, thank you very much. _ the leader of the roman catholic church, pope francis, in his annual christmas day speech, has said the effects of

that users release this afternoon by - release this afternoon by thames valley police will stop at 830 this morning, around two hours after we saw the pictures of prince charles and camilla, duchess of cornwall, walking toward st george's chapel, two hours before those pictures, rather, we know that a teenager armed with what police describe as an offensive weapon was arrested within the grounds of windsor castle. we know that security process were triggered within moments of their men entering the grounds. he did not enter any buildings and the royalfamily were informed. we know this is a 19—year—old from southampton. he is now in custody, arrested on suspicion of breach of trespass of a protected site and possession of an offensive weapon. sarah cambell of an offensive weapon. sarah campbell speaking _ of an offensive weapon. sarah campbell speaking earlier. - the leader of the roman catholic church, pope francis, in his annual christmas day speech, has said the effects of the pandemic threatened efforts to resolve conflicts on an international level. around the world there were