by user Layla Crossposted from The HILL Chronicles The U.S. is made up of many different nationalities ranging from all economic stratas. The U.S. being called a "melting pot" once was something we as Americans could be proud of. We opened our doors to all ethnicities and religions. But in having done so we have circumvented much of our American heritage for a more progressive anti-American society. American University’s Gary Weaver says: “Some economists argue that the continuing rise in productivity is because of the waves of immigrants,” said Weaver in a live Internet chat September 28.