Podgy Posties

Man, you gotta love the Aussies! Check out this great article on Oz's "podgy posties."

http://news.bbc.co.uk/2/hi/asia-pacific/7252112.stm

I wonder what the economics of weight limits on U.S. postal workers - let alone average American consumers - would be? Has any country ever implemented fat limits for the general populace before?