developments this morning in the climate change debate, the united nations climate chief plans to resign after holding that post for nearly four years, igo devor will officially step down july 1st, 5 months before about 200 nations gather in mexico for another attempt to reach some kind of agreement to control greenhouse gases. previous efforts to set emissions targets at level that would be fair to both developing and industrial countries have failed. no word yet on de boer s successor. bill: so, more than $12 trillion, that s our nation s debt, on the big screen. look at that, martha, huh? they just keep gone going keep on going. martha: quite a number. bill: a number many economists say unsustainable and frankly unbelievable. there is a national debt commission expected to work on this behem either of a number behind me. when will the u.s. get behind the water?