Feds reject Bloomberg's anti-obesity experiment.

Not because it's too much nannyism. It's just too much trouble.

Federal officials on Friday rejected Mayor Michael R. Bloomberg’s proposal to bar New York City’s food stamp users from buying soda and other sugary drinks with their benefits....

But in a letter Friday, an administrator of the food stamp program in Washington said the city’s proposed experiment would have been “too large and complex” to implement and evaluate.