But Mr Gore is clearly preparing himself for another run at the presidency: why else would he choose toteach in New York and Los Angeles, the two richest sources of Democratic money in the country, and Tennessee, the home state he so embarrassingly lost?
The question remains: If senior members of these colleges and firms already know how to dress, why do they need to call in an outsider toteach their students?
One reason why it is hard to design and teach such courses is that they cut across the insistence by top American universities that liberal-arts education and professional education should be kept separate, taught in different schools.