Bruce Ackerman is Sterling professor of law and political science at Yale. His latest book is The Decline and Fall of the American Republic.

Obama's lawyers are foundering in explaining the legal rationale for his Libyan adventure. Bruce Ackerman on our broken system of giving presidents legal advice—and how to fix it.

Republicans threaten to filibuster the nomination of Harold Koh, dean of Yale Law School, as an “international imperialist,” but Yale Law professor Bruce Ackerman reveals his true views.