Go there. ASAP...be the first one there in the morning. Ask for a supervisor. Let them know your situation and ask if they can let you take your test that morning. Even if you have to wait a while. Be as flexible as they need you to be. If you have paperwork showing when you leave for...
Do something with him to get his mind off his mother. C'mon Gramps....you've done this before. Take him to a park, teach him how to ride a bike, teach him how to catch a ball. Have him help you plant flowers or something...jeez.
A subpeona has to be served to him. He does not have to pick it up...talk about a lazy sherrif's office. He will have to testify. If he is asked questions and "does not recall", there isn't much they can do. I hope your son has learned his lesson and chooses another path in life.
Get pics of famous Hollywood attractions. See the link below:
Graumann's Chiness theatre, The Walk of Fame etc.
http://www.losangeles.com/attractions/hollywood.html
White wine and selzer....or 7up if you like it a little sweeter.
Additional: People, there is no lemonade in a Spritzer.
http://www.foodnetwork.com/food/recipes/recipe/0,1977,FOOD_9936_23790,00.html