The noxious PATRIOT act
Passd during our steady march to war, the PATRIOT act stomps on the Constitution. These links detail just how assaultive of our rights it is.
EFF Watch what you Google!
CDT (pdf) Allows law enforcement agencies to search homes and offices without notifying the owner right away. Not limited to terrorism cases.
CCR Confers vast and unchecked powers to the executive branch.
ACLU The USA PATRIOT Act also allows for detention and deportation of individuals who provide lawful assistance to groups that are not designated as terrorist organizations. It then requires the immigrant to prove a negative: that he did not know, and should not have known, that his assistance would further terrorist activity.