It's become a controversial...business. Pregnant tourists are paying thousands of dollars to have their babies born in the U.S. But that's only part of the story in this new "birthright citizenship" debate. It's an issue that, according to a CNN poll from last year, shows that the American public is split on.

This morning on American Morning, Marshall Fitz, the director of immigration policy at the Center for American Progress, and Mark Krikorian, executive director of the Center for Immigration Studies, discussed the issue with Christine Romans and Kiran Chetry.