A quintet of sunny islands makes up the Republic of Malta, with its mild winters and hot summers. Malta, Gozo, and Comino are all inhabited--though with a mere handful of families, Comino only just qualifies. The remaining islands, Cominotto and Filfla, are for boat-trippers and seabirds. These Maltese islands take the top spot in the Climate category of our 2007 Quality of Life Index. As you know, once a year, every January, we consider nearly every nation on earth in a grueling set of nine categories. This year, our survey looks at 193 countries. And Malta has the best climate in the world. Fair weather, averaging 5.2 hours of sunshine a day--even in December. Right into November, daytime temperatures often nudge 70 degrees Fahrenheit. Spring comes early, around late February. Frost and snow are mostly unknown. There is winter rainfall, but it tends to come in heavy bursts for short periods. And, while the islands boast few sandy beaches, there are compensations: Summertime brings a...