What Is "Theological Intepretation of Scripture"?

The opening line of a new essay by D.A. Carson's essay:

Theological Interpretation of Scripture (TIS) is partly disparate movement, partly a call to reformation in biblical interpretation, partly a disorganized array of methodological commitments in hermeneutics, partly a serious enterprise and partly (I suspect) a fad.

And here's the closing line:

I am inclined to think that what is most valuable in TIS (and much is), is not new; what is new in TIS varies from ambiguous to mistaken, depending in part on the theological location of the interpreter.

You can read the whole essay here, which is found in the collection of essays, Theological Commentary: Evangelical Perspectives, ed. R. Michael Allen (London: T&T Clark, 2011), 187-207.