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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 wa ....
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. re ....
Analysis and discussion of the day s top stories and compelling issues from Lawrence O Donnell. presidency. they all appear completely brainwashed now. we have never seen anything like this in american politics. and today is the day that the president needed them to all be brainwashed. senator ted cruz said absolutely nothing today, not one word, when donald trump had his fifth avenue moment, when donald trump publically obstructed justice today, which he did in more than one way, which we will get into a moment. not one word from ted cruz about that today. and here is what that same ted cruz said about the president two years ago. this man is a pathological liar. he doesn t know the difference between truth and lies. he lies practically every word that comes out of his mouth. the man cannot tell the truth, but he combines it with being a narcissist. bob mueller is totally conflicted and his 17 angry democrats that are doing his dirty work are a disgrace to usa! there ar ....
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