My ex sux, part 2

Background: Since our divorce in 93, my ex normally gets our son around son's birthday in July, usually the weekend after Thanksgiving, and either a few days before Christmas or a few days after Christmas. I always have my son with me on Christmas. The ex always waits until the last minute to ask to have him, and I try to be accommodating, but have always refused to let him have son on Christmas day or birthday. Usually, I have already requested my vacation time for Christmas holidays, and make him take other week. This year? I didn't do that. Even though I had already requested the week after Christmas off from work, I agreed to let him have son that week. I even agreed that he could pick him up on Christmas Eve, and not bring him back until after New Years. After these arrangements were made, my son got into some trouble, and also requested to move back to Arkansas to live with my parents. So, I moved him back over Thanksgiving. I had planned to not go to my parents' home for Christmas, since son wouldn't b with me anyway, and made arrangements to spend the day with a good friend, who has been nice enough to open her home to me for that day.

So, what has me all ticked off today? My mom calls me this morning at my son's request. They haven't heard from his dad yet, and he was supposed to be picking son up today. Could I please call him and see what's going on? And yes, there is bad weather, and he is an OTR trucker, and is probably stuck somewhere, blah, blah, blah. So I call him. He is in Tennessee, has been since Wednesday. Trying to make it back to Arkansas, but stuck on interstate, going 2 miles per hour. Says, "I guess I should have called them". NO FREAKING DUH, YOU MORON! His excuse? He kept forgetting. Then he says, no I didn't forget about him, I just forgot to take my phone in the restaurant with me. Then trots out lame excuse of being over minutes. Asks would I call and tell them? Because I am such an accommodating person, I agree to do this. He will not call them until he gets home, and it will probably be a couple of days after Christmas before he will be able to pick son up. So, here I am, in Tennesse, alone on Christmas, not spending it with my family, and he's not even going to get son until after that. I could have driven down, spent the holidays with family. And then, I had to call my son, and tell him that his dad would not be picking him up for a few days, and wouldn't be calling him today either. He's crying, he's upset, and I just want to take a bat and beat my ex over the head with it. My son deserves so much better than to be treated like an afterthought by his dad.