Mat Changing News Today

>> why is the claim mat changing? >> senator, in response to the co2 issue, the epa administrator is constrained by statutes -- >> im asking you a personal opinion. >> my personal opinion is immaterial. >> really? >> to the job of -- >> you are going to be the head of the agency to protect the environment and your personal feelings ability whether climate change is caused by human activity and carbon emissions is immaterial? >> senator, ive acknowledged to you that the human activity impacts -- ...