Can't say we know exactly why or what he's doing, but it appears that Bono is in Ghana at the moment. The photo at right was posted today on the United Against Malaria fan page on Facebook, which is where you'll also find a couple other updates:
"I just ran into Bono in the elevator of our hotel in Ghana - hope to get him to sign our UAM football!"
"David talks to Bono about our campaign against malaria and the World Cup!!
Link to full article on @U2