The terms de jure and de facto are used like "in principle" and "in practice" when describing political situations.
See also: List of Latin phrases
... David Clayton-Thomas[?] 1996 Denny Doherty[?] 1996 John Kay[?] 1996 Dominic Troiano[?] 1996 Zal Yanovsky 1997 Gil Evans[?] 1997 Lenny Breau[?] 1997 Maynard ...