 Complete the following phrase:  According to Davidson, Cogny was in fact the officer who proposed Dien Bien Phu as a mooring point to Navarre. Jules Roy, however, disagrees. Where Cogny had envisioned a light mobile base of operations, Roy argues, Navarre saw a heavily defended fortress. Cogny was one of many officers who protested against this new strategy, stating that we are running the risk of a new 