If Dadaab were actually counted as a city, it would be Kenya's third or fourth most populous. Yet it's not counted; it doesn't exist. It's a liminal space, neither here nor there, and its inhabitants exist between worlds interminably.
This week at a book signing in Santa Monica, I spoke about how my heart was broken when a Somali mob murdered my son, Dan Eldon, a 22-year-old Reuters photojournalist, together with three of his young colleagues in Mogadishu in 1993.
I'm not planning on leaving Nairobi because of the Westgate attack, though I think a lot of people will. I am still haunted by the photographs and the stories of death, and I now live in a city haunted by the horror. No one has been untouched.