- David A. Andelman: Trump's show of force in Syria marks a stunning departure from his non-interventionist rhetoric
- But the impact of this change can only be assessed if it becomes part of the Trump Doctrine, Andelman says
David A. Andelman, editor emeritus of World Policy Journal and member of the board of contributors of USA Today, is the author of "A Shattered Peace: Versailles 1919 and the Price We Pay Today." Follow him on Twitter @DavidAndelman. The views expressed in this commentary are his own.
(CNN)On the Fourth of July in 1821, Secretary of State John Quincy Adams delivered a remarkable statement of American foreign policy that resonates as vividly today.