NigelOnDraft - Nobody has yet ventured to suggest quite "how" the crew could have made a successful landing there, "what training / procedures / drills" they had to do so, or "why" they would have seriously considered it.
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How? Exactly how they reached the runway, fly/glide there. In this case they could have extended the gear on short final if they had enough energy.
What training/procedures/drills they had to do? Same as on every other landing - aimpoint, airspeed, drag management. Dead stick landings have gotten so routinue, and boring, that it's been a long time since anyone's been interested in doing one with leftover simulator time.
Why? Walk away vs. relying on ferry boats.
Unfortunately at 1530 the highways were starting to fill with afternoon traffic. It will be interesting to see if CA Sullenberger mentions traffic on the highways reducing that as an option.