Turned again - Doubtless Gideon himself had no doubt prepared the way for this apostacy by his unauthorized ephod. The Law of Moses, with its strict unity of priesthood and altar, was the divinely-appointed and only effectual preservative from idolatry.
Baal-bereth - The god of covenants or sworn treaties, corresponding to the Zeus Orkius of the Greeks. The center of this fresh apostacy was at Shechem.