original_query: What percentage of revenue does Viguerie's company generate from direct mail fundraising?
query: What percentage of Richard Viguerie's company's revenue comes from direct mail fundraising?
answer: The provided text doesn't give a precise percentage of Viguerie's company revenue from direct mail fundraising.  However, it's clear that direct mail fundraising was a significant, if not dominant, part of his business, given the numerous examples of campaigns and organizations he funded through this method.