The presidential impeachment inquiry: Harvard Law constitutional scholars weigh in

With the launch of the presidential impeachment inquiry by the House of Representatives, constitutional scholars at Harvard Law School weigh in on both the current controversy and on this rarely used and poorly understood congressional power.

Video: Will China Save the Planet?

China, the world’s largest carbon emitter, is leading a global clean energy revolution. But as leading China environmental expert Barbara Finamore explains in her latest book preventing “environmental catastrophe” is anything but easy.