What are you talking about?
Wouldn't the 13th and 16th amendments DIRECTLY prove you wrong? The 16th allowed for taxation without apportionment and the 13th amendment ended, the 3/5ths clause.
Plan for eliminating the national debt in 10-20 years:
Specific cuts; defense spending: http://rolexian.wordpress.com/2011/01/03/more-detailed-look-a