The Senate is on its way to passing a bill that will turn the United States into a part of Latin America. Once that's done, it can't be undone.
Randall Parker has a good summary of the deception and treachery involved in what's about to go down.
If you want our country's historical and cultural character to be dissolved in Third World immigration at mind-boggling levels, that's your right. If you don't want it to happen, you'd better start raising hell.
To contact your Senators to express your displeasure at their plan to deluge the United States with tens of millions of immigrants in the next 20 years, you can find the web sites of each U.S. Senator in this list. Similarly, you can find contact information for your U.S. Representative here. Numbers USA makes it easy to send faxes to Congress.
Over to you.