Copyright laws were first introduced with provision for fair use [1] - a limited ability to copy for education, art and critique. The United States and Korea have released the draft text of their free trade agreement and it completely eliminates these fair use provisions. Erosion of copyright law in this way is a worrying trend that threatens educational resources. You can read more discussion here [2].
Links:
[1] http://fairuse.stanford.edu/Copyright_and_Fair_Use_Overview/index.html
[2] http://web.mac.com/ellenycx/iWeb/CSM@remoPodcast/Blog/3A4A715A-AFE9-4738-9090-833565F28A4F.html