Thanks to everyone who responded.  It looks like the converter I used is the problem.  I will have to follow up with one of the alternatives many of you suggested.
I found the TIGER Reader script by clicking ArcScript on the ESRI main page and then running a search for "tiger" and narrowing the search to the Avenue language.  The URL line from the search is
Chad Coziahr
Fargo-Moorhead Metro COG
----- Original Message -----
From: Robert LaMacchia
To: Ctpp-News Maillist
Sent: Friday, May 03, 2002 1:05 PM
Subject: [CTPP] UA TIGER/Line files now available

The UA Census 2000 TIGER/Line files are now available at:
Bob LaMacchia
Geography Division
U. S. Census Bureau