Looks like Westjet pilot was not to blame
a recent report in the national post paper of canada indicates quite clearly that the problem appears to be with LAX FAA/ATC.
Westjet appears to have even asked again if he was cleared to cross the runway.
FAA was looking for a written regulation that Westjet had violated but couldn't find one.
controller has been suspended or something akin to that...pilot is still flying.
YOU ALL BE CAREFUL AT LAX!