Has anyone had this happen to them? I'm on I40 in Winslow, AZ and BANG! The typical blow out, smoke and flying rubber. I stop to see that both inside rear tandem trailer tires are blown. I've also been noticing (over the last 1,000) miles that the front tandem outside tire is wearing really funny. Here's the kicker, less than 20K on them!!! Any ideas??? Here are the pics: