I used to work for the World Health Organisation in poor countries all over the world - Bangladesh, Korea, the Philippines and India. You learn a whole range of things about how other people are living and try to connect with them to gain an understanding of where they're coming from.
The shock caused by the September 11 events has also lead to a thorough reflection on the existing disparity between rich and poor countries, on the misery of populations of the South.
Niger is not an isolated island of desperation. It lies within a sea of problems across Africa - particularly the 'forgotten emergencies' in poor countries or regions with little strategic or material appeal.
Most problems in poor countries are locally generated even though international factors do play a role.
I am grateful to President George W. Bush for PEPFAR, which is saving the lives of millions of people in poor countries and to both Presidents Bush for the work we've done together after the South Asia tsunami, Hurricane Katrina and the Haitian earthquake.
Some very poor countries run great vaccination systems, and some richer ones run terrible programs.
In poor countries, the rich and powerful crush the poor and powerless.
Charities are now working to give people in poor countries access to the Internet. But shouldn't we spend that money on providing health clinics and safe water? Aren't these things more relevant? I have no intention of downplaying the importance of the Internet, but its impact has been exaggerated.
Abortion politics have distracted all sides from what is really essential: a major aid campaign to improve midwifery, prenatal care and emergency obstetric services in poor countries.
During the Cold War, the U.S. instituted a policy of sending money to governments in poor countries to buy their political loyalty. While studies show that sending aid to foreign governments creates allegiance, it does not lead to economic progress.