nations, where he used his address to press for a stronger commitment to end global warming, with a stark warning of the enduring consequences if countries didn t step up. we will see decertification, drought, crop failure and mass movements of humanity on a scale not seen before, not because of some unforeseen natural event or disaster, but because of us, because of what we are doing now. and our grandchildren will know that we are the culprits. the prime minister chose to focus solely on the subject of climate change. he used this global stage to make a strong speech ahead of the climate conference coming up soon in glasgow, which he said would be a critical turning point for humanity. it helped to have an american president on side. joe biden pledged to double us contributions for developing nations to tackle climate change.
on climate change in glasgow, cop26, a turning point for humanity. our correspondent barbara plett usher sent this report new york. it was not for the faint hearted, this frenetic trip. the prime minister covered a lot of ground. he shook a few hands, conducted a few interviews, visited a few sites, even took a train ride. the final stop, back to the united nations, where he used his address to press for stronger commitments to end global warming, with a stark warning of the enduring consequences, if countries didn t step up. we will see desertification, drought, crop failure and mass movements of humanity on a scale not seen before, not because of some unforeseen natural event or disaster, but because of us, because of what we are doing now, and our grandchildren will know that we are the culprits. it s time for humanity to grow up. the prime minister chose to focus
fbi, which after all, is the agency we rely on to protect the united states from domestic terrorism, why the fbi didn t step up and make sure that the capitol was protected. and why they re still saying today, willie, that all of this stuff that you re talking about, the maps and the schematics, that really wasn t credible intelligence. that s the fbi s position today, that that was not intelligence. that they had no intelligence that anyone was going to attack the capitol. to me that s a huge, gaping, unanswered questions that we were hoping a commission was going to get to the bottom of, the way the 9/11 commission got to the bottom of the incredible mistakes by the cia and the fbi, before 9/11. it s not going to happen in that regard, but we hope that congress continues to press on the fbi and dhs. and ken, before we get to you on other stories, isn t this all going to come out in some way, shape, or form. what the republicans might have
he can t tell people what they have to do even after they leave his service. so it s clear that bill barr is going to try to push the envelope and really try to protect president trump and try to shut down any of these investigations. he s been at the forefront of this. i m not sure they re putting their full weight behind trying to keep people who president trump doesn t want to testify out. toluse, errol, margaret, thank you, all, very much. a tsa whistle-blower is sounding the alarm over what he says are major security issues at u.s. airports. my biggest fear is having something happen that costs american lives and i didn t step up and put a stop to it or at least try. because it s going to. it s not a question of if. it s a question of when.
he sent complaints to dhs, tsa, and sent letters to congress. not just about the metal detecters, but also the x-ray machines. a policy change allowing some passengers with medical devices to do a self-patdown and a new policy called blended lanes. where precheck and start passengers are mixed in one line. something that could confuse screeners. you know, the last time i checked, our detection rates were not stellar. it doesn t make sense to introduce this variable. reporter: writing, there is a substantial writing to osc discloses gross management and specific danger to safety. my biggest fear is having something happen that costs american lives and i didn t step up and put a stop to it or at