two highly-educated American scholars, one of whom is a professor at Harvard.
http://ksgnotes1.harvard.edu/Research/wpaper.nsf/rwp/RWP06-011/$File/rwp_
06_011_walt.pdf
Is that, "is a professor at Harvard", or, "was a professor at Havard"
Very interesting article. Gives one some insight as to why we are paying $5.00 a gallon for diesel.
Chester