The historical method, once it is applied to biblical scholarship and churchOuch.
history, is a leaven which transforms everything and which finally causes the
form of all previous theological methods to disintegrate. Give historical
method your little finger and it will take your whole hand.
Update: For an illustration, see John Hobbins's fascinating interview with Alan Lenzi at Biblioblogs.com.
The article, "Acts of Impropriety: The Imbalance of History and Theology in Luke-Acts" (TJT 24.1 : 65-79), is available on Lüdemann's website here.