Not to burst any one's bubble but this Alex Collier is full of shit, Look at what article 55 and 56 of the UN treaty state. http://www.un.org/aboutun/charter/
Nothing there about usurping Congress' Constitutional powers. As bad as the UN is we don't need people making stuff up about them.
With a view to the creation of conditions of stability and well-being which are necessary for peaceful and friendly relations among nations based on respect for the principle of equal rights and self-determination of peoples, the United Nations shall promote:
a. higher standards of living, full employment, and conditions of economic and social progress and development;
b. solutions of international economic, social, health, and related problems; and international cultural and educational cooperation; and
c. universal respect for, and observance of, human rights and fundamental freedoms for all without distinction as to race, sex, language, or religion.
All Members pledge themselves to take joint and separate action in co-operation with the Organization for the achievement of the purposes set forth in Article 55.