A great deal of the Chamber's funding comes from Tobacco companies. In fact there are conference rooms named for them. If you haven't seen Last Week Tonight's take on the international bad behavior of the Tobacco companies I really encourage you to check it out.
They've responded to a shrinking market in the US and other highly developed nations, by doubling down on their efforts to sell to everyone in the rest of the world. And woe to the country with a smaller GDP than Phillip Morris who decides to try to put restrictions on a pack of smokes.
With passage of the TPP, Tobacco companies may have almost every country on the Pacific Ocean caught inside a legal structure that would consider, respect, and perhaps even sustain the claims they have made against smaller GDP countries.
Congress passed fast-track authority for the TPP, and so its approval will be straight up-down vote; it can't be filibustered. The GOP overwhelmingly supports TPP and has majorities in both houses; the TPP also has Democratic support.
It's about 18min long, but well worth it: https://www.youtube.com/watch?v=6UsHHOCH4q8
They've responded to a shrinking market in the US and other highly developed nations, by doubling down on their efforts to sell to everyone in the rest of the world. And woe to the country with a smaller GDP than Phillip Morris who decides to try to put restrictions on a pack of smokes.