Person is a legal term of art and subject to legislation depending on the morality of the legislators.
Scientifically the unborn are human beings from the completion of conception on at that stage of human beinghood.
There is no debate surrounding that because there is no magic elexir that transmutates a knagaroo into a human being at the end of the first trimester.
BTW, I'll be backing Duncan Hunter for POTUS. I will vote for McCain over Giuliani if it comes to that but I will do that with a very heavy heart, about a trillion tons worth.
Yikes, you "one issue" voter you! :)