David Ignatius is a columnist for the Washington Post and the author of seven novels. His book, Body of Lies, was the basis for the movie of the same name directed by Ridley Scott; The Increment has been optioned by Jerry Bruckheimer and Disney.

Today’s power players are expected to wear dark suits even in the dog days of summer. David Ignatius calls for a revival of cream-colored linen and balmy pinfeather. VIEW OUR GALLERY

Washington Post columnist David Ignatius reveals how he transformed his regrets about the Iraq war into a timely new spy novel about Iran’s nuclear program.