around that time, scientists learned something extraordinary. whales were communicating with each other. sometimes by song over long distances. in part, because of that discovery, scientists and conservationists rallied to enact laws to protect the whales and it worked. the humpback whale population has made a remarkable comeback. now they face a host of new threats. global warming is killing off their food source and human activity is causing thousands of whale deaths a year from the stress of underwater construction noise to fishing entang amments and ship collisions. in the next hour, cnn s bill weir takes us to antarctica, a place very few get to visit to study these remarkable creatures and show us why saving the whales may also be saving the planet. because they are one of our best partners in battling climate change. reporter: those are the songs of humpback whales, flying about 15 billion miles away from earth, on the off chance intelligent life out there wants to
50 years ago humpback whales were considered an endangered species after decades of commercial whaling decimated the population. around that same time scientists learned something extraordinary. whales were communicating with each other, sometimes by song over long distances. in part because of that discovery scientists and conservationists rallied to enact laws to protect the whales, and it worked. the humpback whale population has made a remarkable comeback. but now they face a host of new threats. global warming is killing off their food source, and human activity is causing thousands of whale deaths a year. from the stress of underwater construction noise to fishing entanglements and ship collisions. in the next hour cnn s bill weir takes us to antarctica, a place very few people get to visit, to study these remarkable creatures and show us why saving the whales may also be saving the planet. because they are one of our best partners in battling climate change. reporter
Variety of Early American History religion and culture. But he is perhaps best known as one of the most prolific and important historians of the American Civil War and of course Abraham Lincoln. He has received numerous prestigious awards including the lincoln pride, the Abraham Lincoln Institute Book prize and the authors regularly a number of articles that are published in leading newspapers, usa today, the wall street journal, the Washington Post and hes featured regularly on television and radio programs such as nprs weekend edition. He is the henry luke professor of civil war era at Gettysburg College where he serves as director of the Civil War Era Studies Program however he is on sabbatical from Gettysburg College this year and he serves as William Garwood visiting professor in the James Madison program of american ideals and institutions at Princeton University. You can learn more about his work either by visiting his web site allen guelzo. Com but perhaps most importantly alle
Was upgraded to a turnpike in the 1830s everybody wanted to have access because it meant you were connected. You were part of the economy not only the regional to national economy. The merchant on main street and lexington couldnt have been selling tea without the road. There is a much greater appreciation for the role of the road in peoples lives established homes and businesses and who are able to conduct business because of the road. Again, the idea is to take infrastructure in the road for granted. For more information on book tv presented lexington and the other cities visited by the vehicles go to cspan. Org. Publisher adam and mark argued that americas intellectual habits are in decline. In audible conversations can we begin to . Welcome everybody. May i be heard . [inaudible conversations] have though everybody. Link back i like a captive audience but this feels like a captive panel. Welcome, everybody and thank you for coming. Am i over amplified . Welcome to the Panel Discuss
Scott walker in on intimidated he argues republicans must offer Bold Solutions that have the courage to implement them. Virginia senator james webb looks back on his time serving in the military. Vice President Joe Biden by announce his presidency and he looks back on his career in politics. Chris christie and Martin Omalley have not release books. Coming up next on book tv, publisher adam bellow and mark powerline argue that americas intellectual habits are in decline. Can we begin . Welcome everybody, can i be hurt . May i be heard . Amid the herd, the hurt of independent minds. Hello everybody. I like a captive audience but this feels like a captive panel. Welcome everybody and thank you for coming. Am i over amplify . People have been telling me that for years. Welcome to our Panel Discussion on the state of the American Mind, the fact that you shown up here proves that you have minds whether you have minds American Minds proves to be seen. I want to thank the templeton press for c