IEEE Spectrum editor in chief, Glenn Zorpette, talks about high-tech attempts to battle improvised explosive devices (IEDs) in Iraq as well as the state of reconstruction of Iraq's electricity grid. And journalist John Horgan talks about the possibility of eliminating war. Plus, we'll test your knowledge of some recent science in the news. Web sites related to this episode include: www.saferoadmaps.org, www.thomaslfriedman.com; www.spectrum.ieee.org