Waiting On Innovation

Douthat sketched out the conservative case against cap-and-trade yesterday. Leonhardt takes issue with one of Ross's parallels:

[Douthat's case is that:] just as ingenuity came to the rescue in the past, allowing people to use resources more efficiently than they ever had before, it could do so again — providing us with ways to emit far less carbon for every dollar of gross domestic product. And I — like many others, I imagine — would be thrilled if that were what the future held. But I think...