Only one US carrier will grant pilots time off from their work schedule to attend the training. All the rest require the pilots to do it in their time off which can be hard to do considering the length of the training.
It seems that the TSA may have ticked off it’s last politician recently. Here’s an article about it.
http://www.cnsnews.com//ViewNation.asp?Page=Nationarchive200401NAT20040126b.html
It will be interesting to see what results of this.