compare that with the edenpure. the warmth generated by the edenpure right where you need it, with nothing lost, either up the flue or in the ductwork. >> but, richard, even that's not the whole story. the edenpure also incorporates advanced technology that's far more efficient at generating heat from electricity than old-fashioned burning coil heaters. >> richard: and that advanced technology is also why the edenpure is so safe to use, and the choice of fire and safety professionals for their homes. let's go now to meet neil tyburk with the technical details on what makes edenpure's quartz infrared heating so efficient and so effective. >> this new fourth-generation edenpure has at its core another quantum leap in heating efficiency. edenpure worked with our technology partners at sylvania to yet again increase the efficiency of the edenpure system for turning electricity into safe and comfortable warmth. the heart of the system is this newly designed and patented infrared tube. this exclusive technology creates wa

another edenpure heater in thanks for their participation.aying they were stunned by the sophistication of the plant. this further complicates the president's nuclear disarmament agenda from north korea to russia to iran, which was front and center at the nato summit in portugal. the president used the world stage to press his republican opponents in congress to ratify a new nuclear arms deal with russia. secretary of state hillary clinton was with the president at the summit. and i spoke with her before she departed lisbon. secretary clinton, welcome back to the program. >> thank you very much, david. >> i want to talk about this showdown between the president and senate republicans over the s.t.a.r.t. treaty, saying to politicalers, nobody's going to score political points in 2012. is that the president's belief about what's standing in the way? and in your view, is this a litmus test of whether there can be bipartisanship in washington after the election? >> well, i think the president believes strongly, and i agree with him, that this tre