[Wayne07]

This article explains it, but basically Dems want TAA, but were willing to kill it in order to torpedo TPA, in order to kill TPP, which the AFL-CIO opposes. http://www.theatlantic.com/politics/archive/2015/06/a-big-win-for-big-labor/395699/

[matthew fuller]

Thanks for the very good explanation. I really liked this part-
“The difference between a liberal Democrat and a cannibal, according to LBJ, was cannibals don’t eat their own,” Henry Cuellar, a pro-trade Democrat from Texas, remarked a day before the vote, the Huffington Post reported.