No October Surprise

The U.S. population is on target to hit 300 million this fall and it's a good bet the milestone baby - or immigrant - will be Hispanic.

If they're making book in Vegas, odds are that it's an Illegal Alien (Genesis pictured)

No one will know for sure because the date and time will be just an estimate.

The 300 millionth person in the U.S. will likely be born - or cross the border - in October, though bureau officials are wary of committing to a particular month because of the subjective nature of the clock.