Serving the poor is a Christian duty but it also brings happiness, according to Australian priest and broadcaster Fr Bob Maguire, who has launched a competition offering three happiness prizes.Top is a week’s work in a soup kitchen serving the poor and underprivileged, second prize is a break in a luxury hotel and the third prize is a car. The 80-year-old radio and television presenter is inviting people to write 25 words or fewer on how they find happiness. “You’ll think I&rs