15 April Real Clear Politics commentary - Congress Develops Its Own Foreign Policy by Peter Brown.

Once upon a time in Washington, D.C. there was an informal agreement that partisan political differences within the United States did not extend to America's dealings with the rest of the world.

Congress' current attempt to offer its own foreign policy marks the end of that doctrine, which, truth be told, has been on life support for some time.

How one sees this development almost certainly depends on his or her view of President George W. Bush, but clearly the once-universally accepted notion that America speaks with one voice, that of the president, to foreign nations, is no more.

The informal agreement that once existed between the two political parties not to offer conflicting signals to America's friends and foes is another casualty of the "D.C. disease" that has made bipartisan cooperation on virtually everything an anachronism...