must undertake and this demon has someone looked into my life and i had no idea about it this is made me feel very uncomfortable. to our viewers on p.b.s. in the united states and all around the world welcome we begin the day with a dire warning from scientists about climate change a warning based on evidence versus a campaign promise from u.s. president trump a promise based on a calculation of how best to keep the president's base this week the trump administration gave notice to the united nations that the u.s. is exiting the paris climate agreement the world's richest economy and biggest polluter has become the only nation to read neg on the only international plan designed to stop global warming the paris agreement is not binding it does not require a country to spend taxpayer money and yet that is how the us president has always