Daniel Pipes (DanielPipes.org) is president of the Middle East Forum. © 2013 by Daniel Pipes. All rights reserved.

It's a privilege to be an American who works on foreign policy, as I have done since the late 1970s, participating in a small way in the grand project of finding my country's place in the world. But now, under Barack Obama, decisions made in Washington have dramatically shrunk in importance. It's unsettling and dismaying. And no longer a privilege.

Whether during the structured Cold War or the chaotic two decades that followed, America's economic size, technological edge, military prowess, and basic decency meant that even in its inactivity, the U.S. government counted as much or more in world developments than any other state. Sniffles in Washington translated into influenza elsewhere.

Weak and largely indifferent presidents like Jimmy Carter and Bill Clinton mattered despite themselves, for example in the Iranian revolution of 1978-79 or the Arab-Israeli conflict in the 1990s. Strong and active presidents like Ronald Reagan and George W. Bush had greater impact yet, speeding up the Soviet collapse or invading Afghanistan and Iraq....