We can save elephants. But can we save wild elephants?

Elephants will certainly survive. But it may only be in ‘fortress’ conservation parks. Is there any way to allow elephants to stay wild?
I have just returned from Kenya’s North Eastern Province where one night, camped out in a dry riverbed with just a mosquito net for cover, a herd of elephants emerged out of the dark – a great and almost silent mass of shapes. They passed through our makeshift camp, looming over us, their tusks white against the night. I was close enough