Bono happy to put political life on hold

The opening night of U2's world tour proved to be particularly special for frontman Bono - because it allowed him to step away from his gruelling mission to alleviate Africa's troubles.

Bono has devoted much of his life in recent years to humanitarian causes and has regularly harangued politicians into helping the starving and dying in third world countries, as they struggle to survive in the face of famine and poverty.