Peter Heather, The Fall of the Roman Empire: Introduction

Heather suggests that he will explain the fall more in terms of external than internal causes. In other words, Rome did not simply fall: it was conquered.

He's not a historian who sees no use in poststructuralism. He points to two salutary contributions of contemporary critical approaches: (1) challenging the stereotype of unsophisticated and unchanging barbarians and (2) understanding the source texts as laden with agendas (although I might have expected historians to understand that already).