http://www.freerepublic.com/focus/f-news/3289602/posts
Read this. Fast track gives Obama the ability to get it passed on a simple majority. The majority addresses US laws on trade, immigration, and other topics.
So Obola and the rats have figured a way around 2/3rds majority ratification of treaties and McConnell falls right in line. Tell me again why I have to vote Republican?