Architects designing for prisons confront ethical questions


The number of prisons in the U.S. has exploded from nearly 500 in the 1970s to almost 2,000 today, becoming a source of business for the architects who design them. But some in the profession are urging fellow architects to stop designing solitary confinement units in prison, saying that doing so perpetuates human rights abuses. NewsHour Weekend Special Correspondent David Tereshchuk reports.