daniel becker, director of safe climate campaign, an advocacy group. he was formerly director of the sierra club's global warming program. and samuel thernstrom, a resident fellow at the american enterprise institute he served on the white house council on environmental quality for president george w. bush. here. dan quell becker to you first. the president said this is meaningful and unprecedented breakthrough. how do you see it in. >> it's a major disappointment. to paraphrase a play about a prince from denmark, a toughly binding treaty on climate is not to be. what we were looking for was a tough treaty that was going to commit countries to reducing their emissions to levels that would keep the climate at $2° cellsuous qarm warmer than it is today, basically where the scientists have said it is a safe. we were looking for accountability, for certainty that the pledges would be kept. we were looking for some funding for the least -- the most vulnerable people on earth who will face real consequences due to the pollution that we've emited from our car