As Japan works to contain a nuclear disaster, lawmakers in the United States are debating the role of nuclear energy in this country. So far the Obama administration and members of congress have continued to support nuclear energy, but renewed fear has forced them to question the safety of reactors on U.S. soil. The Takeaway’s Washington correspondent, Todd Zwillich reports from Wednesday’s Congressional hearing with Energy Secretary Steven Chu and Nuclear Regulatory Commission Chairman Gregory Jaczko.