I gave the president my book. He raised an eyebrow. "Who wrote this for ya, Geldof?" he said without looking up from the cover. Very dry. "Who will you get to read it for you, Mr. President?" I replied. No response.

The Most Powerful Man in the World studied the front cover. Geldof in Africa — " 'The international best seller.' You write that bit yourself?" "That's right. It's called marketing. Something you obviously have no clue about or else I wouldn't have to be here telling people your Africa story."

This is a strange but entertaining article about their trip.