let me finish tonight with this. word came this week that the u.s. is no longer the most obese nation. that distinction now belongs to mexico. according to a united nations report. here are the top ten obese nations. about 70% of mexican adults are considered overweight. 32.8% are obese. the u.s. isn t far behind with an obesity rate of 31.8%. having spent last week in italy, i noted that that european nation was not on the list. despite a terrific culinary culture. all that good food, why aren t the italians more obese, i wondered. it s a subject i got into with an italian tour guide after i told him i didn t have a headache the morning after putting a dent into a bottle of chianti. my driver told me the short answer of the wine was sulfites,