Zoos are becoming facsimiles - or perhaps caricatures - of how animals once were in their natural habitat. If the right policies toward nature were pursued, we would need no zoos at all.
The term 'deadline' comes from the american civil war. Prisoners would have lines drawn around them in the dirt, and if they crossed this line then they would be executed by their guards. Both prisoners and guards soon took to calling this line the 'dead line'
