A great radio show about the real origin of the pledge of allegiance. Might make ya sick.

Brannon Howse – Origin of the pledge of allegiance

Some other links:

http://www.oldtimeislands.org/pledge/pledge.htm

http://rayharvey.org/index.php/2010/05/francis-bellamy-and-the-united-states-pledge-of-allegiance-2/