The sound a cash register makes. NY Times, 050904, in a review of Bob Woodward's book on the White House. "Plan of Attack".
"...to say nothing of the ka-ching of cash registers."
The strategy in guerilla war of winning the support of the resident population by building schools and hospitals instead of conquering by brute force.
In reference to a particularly difficult city in Iraq,"It's a very primal fight," Colonel Davis said. "We don't do a lot of hearts and minds out here because it's irrelevant." (NY Times, 11/6/2005)