We can all laugh at retards like this! http://media.reality-check.ca/index.php?go=get&media=UpOnOne_Cali_Rider.wmv
yeah if you were going to take it to court they would both be sol. But it was the guys fault behind him. He should have been watching the road in front of him and plus its just common sense not to be doing tricks behind another bike that "could" be doing an unexpected stop.