What do Jordan, Guam and the Cayman Islands have in common? They all have life expectancies greater than that in the United States. So does Japan, most of Europe and a three dozen other countries.The Washington Post reports on the recent slippage, by comparison to other countries, of U.S. life expectancy, despite our spending more money than anyone else on health care. What’s our problem? The Post suggests that it could be the facts that nearly a third of U.S. adults 20 years and older are obese, while about two-thirds are overweight. Of course, that doesn’t explain why, as the paper reports, Cuba has a lower infant mortality rate than we do. Read more in the Washington Post.