January 31, 2017 8:05 pm Former EPA Head Speaks on Trump For the first time since leaving her post at the Environmental Protection Agency, former Administrator Gina McCarthy is talking about the future of science and environmental policy in the Trump Administration. US & World Videos 4:02 ‘To Catch a Contractor' series leading to changes 1:02 20% of nurses to leave field within 2 years 6:03 Tensions rise during campus protests at MIT and Harvard 1:05 Marking construction safety week in Boston 20:19 Karen Read's attorney accuses witness of perjury at murder trial