Chairman Ho K. Nieh, a Republican, began his career at the Nuclear Regulatory Commission in the 1990s, working as a project engineer.

Callie drove up to the NRC headquarters in Rockville, Maryland, where she got an inside look at the agency and the recent regulatory overhaul.

Chairman Ho K. Nieh, a Republican, began his career at the Nuclear Regulatory Commission in the 1990s, working as a project engineer.