The article ends with a quote from Anholt that sums up how policymakers should think about public diplomacy:
Anholt [argues] that nation branding is not the answer unless it is pursued alongside policy changes. “I don’t tell countries how to do marketing,” he says. “I advise them on what sorts of policies they need to undertake in order to earn the reputation they feel they deserve.”
It's that simple. Feel like your nation is the sole heir of Enlightenment rationality? Then act it.
(Thanks as always to John Brown's Public Diplomacy Review for the initial item.)