The 200-mile "Iran Freedom Walk," organized by the Iran Freedom Foundation, concludes today with a rally at noon in Lafayette Park across the street from the White House. The keynote speaker is Richard Perle, former U.S. Assistant Secretary of Defense and a key architect of President Bush's Middle East policy. Also featured is former Ambassador Mike Palmer; Joe Grieboski, founder and president of the Institute on Religion and Public Policy; and "Atomic Iran" author Jerome Corsi, who is leading the walk. The final three-mile stage of the journey, launched in Philadelphia two weeks ago, begins at 10 a.m. in front...