Republican former EPA chiefs endorse Clinton for president: https://t.co/DmGSAT4BVl pic.twitter.com/Ir8gWLJjHi— The Hill (@thehill) August 9, 2016
Republican former EPA chiefs endorse Clinton for president: https://t.co/DmGSAT4BVl pic.twitter.com/Ir8gWLJjHi