Original sentence: A CNN exit poll for the 2004 Presidential election showed those with post-graduate degrees to be the most liberal demographic.A similar CNN poll for the 2006 mid-term elections showed 47% of households with incomes exceeding $100,000 and more than 58% of households headed by someone with an advanced degree voted Democratic.An exception to all of this however, are the New England, much of Costal California including the San Francisco Bay, and Seattle areas which are largely made of very wealthy, white, college educated peoples whom vote very liberal Democratic
Edited sentence: An exception to all of this however, are the New England, San Francisco Bay, and Seattle areas which are largely made of very wealthy, white, college educated peoples whom vote very liberal Democratic