### Clue: The Chieftains tour only four countries now (4)
### Answer: EFTA 
 ### Explanation: Definition: only four countries now
  Hidden(*tour*) in *chiEFTAins*.
Defn:  The European Free Trade Association founded in 1960 by the Outer Seven countries, which did not want to or could not join the European Economic Community (ancestor of the EU).  Since then membership has dwindled, hence *only four countries now* – Liechtenstein, Iceland, Norway and Switzerland.