As Philadelphia considers creating safe injection sites, a Federal crackdown could follow. In the waning days of his governorship, Chris Christie’s legacy among political analysts is different than that of the public. We preview the Eagles’ playoff game against Atlanta. We look at Martin Luther King Jr. and the environmental justice movement and current threats to it under EPA cutbacks. Frank Newport, Editor-in-Chief at the Gallup Poll, measures the American public’s opinions for the week.