The controversy that followed in the wake of Peter Enns' book, Inspiration and Incarnation resulted in Enns' departure from the faculty at Westminister Theological Seminary under 'mutually agreeable terms'. Much has been written about Enns' book in many fora, often generating more heat than light (see for example the article in the Spring 2009 WTJ that concludes that Enns book 'undermines the whole doctrine of redemption').
Ad fontes is usually the best approach, so I would urge you, if you haven't already done so, to read the Enns documents (click on view as pdf), originally released in April 2008 , published by WTS on their site. Read the HTFC critique. Read the HFC report. Take your time and do it properly. Then you will come much nearer to an informed conclusion on what's been going on at WTS.