Poor braking action by the aircraft during the 1st stage of deceleration proved very costly. Was it due to the runway surface which holds water and has a smooth finish? Matters which were not investigated.
A phone conversation while driving blinds the brain to unexpected objects that may come in our path. The crew of Air Canada carrying out a visual approach would have experienced the same when they approached to land at San Fransisco.
The brain has a filtering mechanism which blocks certain sensory inputs while allowing others. In this process they could be endangering the system by blocking certain warnings or cautions triggered by the other sensory inputs.