kateri callahan?of the problem we have with tax credits is they keep expiring, and they're only put forward for a year or two at a time. it makes investment by businesses very risky in these new technology areas. what we need is some consistency in policy, some long-term -- long enough so that the market can be appropriately seated for these technologies. we need long term, sustained tax incentives that will allow for the kind of investment that will get us to build market scale. we do not have that right now. tax credits come and go for wind, solar, and energy efficiency, and it makes it difficult to drive the investment that would have this be a huge part of our economy. host: kateri callahan has been our guest. she is the president of the alliance to save energy. thank you for being on the program. guest: thank you. host: coming up tomorrow, the senior vice president with the national association of realtors, laurence yun. we will also have a roundtable discussion talking about the latest developme