The 2 backbone routes provided by Core are both showing trouble.
http://www.internettrafficreport.com/namerica.htmAll warping etc. can be attributed to this problem.
Even though the server is in St. Louis, it is a hand-off which means that the AH servers are still involved. 3 other routes in Texas as showing little trouble. I guess it will just be luck that determines the quality of your connection.
Other bad areas include Idaho, Washington state and Maine.
That is all