Waskar T. Ari Chachaki: Bolivian historian talks about his long fight to gain admitance to US

Waskar T. Ari Chachaki, a Bolivian historian and an Aymara Indian, was one of the first indigenous people from Latin America to earn a Ph.D. at an American institution. Yet for two years the U.S. government would not allow him into the country to teach, relenting only when his hiring institution, the University of Nebraska at Lincoln, sued. Mr. Ari talks about his long road back to American academe.