there was a young woman from boobville ...

True, but Sam's phone call isn't so much an alert as a shutdown. It's not, "Dean's dying, come soon!", it's, "You might hear some bad things about Dean but I've got this well under control, you don't have to come." And let's face it -- the last time the two of them spoke to each other, it was a bitter argument as Sam was walking out the door. I've been in the same situation with my father, and if it was anything like that, I'll bet they were both majorly reluctant to speak to one another, regardless of any sort of emergency.

The way