Candidate Donald Trump said the Environmental Protection Agency was more about politics than science. Administrator Scott Pruitt got the message. He's weakening rules for clean water, methane leaks, chemical explosions and pesticides as EPA scientists are bought out or retire. One environmental group sees a "corporate takeover" of the agency -- created by Richard Nixon to monitor environmental threats to public health. Pruitt says there's been federal overreach. So, how will a weakened EPA handle the dangerous consequences of massive natural disasters?