ITH APOLOGIES to our wonderful readers, the e-mail address we gave you to use last issue was not working properly, but it is now, so please send us letters! For now, enjoy this missive written by Robert Fulton, credited with inventing the steamboat, to George Washington. The first president was a firm believer in canals and was involved with the Patowmack Canal, vestiges of which remain on the Virginia bank of the Potomac River, above, and can be accessed by
