oils while they are heavy in emissions are no heavier than typical heavy crude, no heavier than venezuelaans, which is where a lot of the oil will be from. not that there aren't environmental problems in oil sands because they are. but they should not be unique or outside of the oil industry. that's just not the case. >> they offset. >> the second part of your question, would approval of this change our mind. the answer is no. the very fact that a no could even be said underscores to our country we must diversify our energy export markets. but, as i say, we have taken a significant price hit by virtue of the fact that we're a captive supplier and that does not make sense in terms of the broader interest of the canadian economy. and, look, i'm a strong and firm believer in the importance, not just the economic importance of our relationship but the security importance and the importance of the united states and the world but we cannot -- we cannot take this to the point where we are creating risk and significant economic penalty to the canadian economy and to not diversify to asia when yash i