I'm no doctor, so I'm not commenting on Kubica. As for the Lotus drivers, HK has a chance, as you say, to pick up a second win by taking a Renault seat and watching the stars align or something. Trulli is staying put.
The biggest gap between two Grand Prix wins for the same driver is 6½ years (Riccardo Patrese).
The biggest gap between two Grand Prix wins for the same driver is 6½ years (Riccardo Patrese).