No, but in this recession a lot of people are wondering if there is.<br />
Yeah, hiring firms I'm sure flag certain people they don't want to contact, but if there were a 'national' list, it would have been leaked out by now. That's the thing with consipracies involving everyday scenarios - if they're real, we'll find out about it. Nobody can keep their mouth shut.
They is a black list of the people that have a bad name.