Pablo Escobar's hippos keep multiplying and Colombia doesn’t know how to stop it

(CBS News) - Fishing villages, small boats and children at play dot the landscape along the shallow waterways of Colombia's Magdalena River. But an invasive species left behind by one of the country's most infamous figures is threatening the ecosystem and, possibly, a way of life. That species? Hippos. The giants, native only to Africa, are now running wild in Colombia, reports CBS News' Manuel Bojorquez. Read More