The UK's Special Representative for International Trade and Investment anagrams
Rearranging the letters of 'The UK's Special Representative for International Trade and Investment' (Aka The Duke of York, Prince Andrew) gives:
Preferential treatment needn't--cannot?--avail this duke in trips \ overseas.
(by Mike Mesterton-Gibbons by hand) (2011) (pending approval)
Other related anagrams without their own page:
"Liam Fox, Secretary of State for International Trade" -> "An irritant, excretory, toffee-nosed, amoral fatalist." (by Dave Henniker using Anagram Genius) (2016) (pending approval)