Obama & McCain On Abortion & Human Life

Some questions:
-Who do you think has the better answer?
-Why do you think their answer is better?
-By what basis do you judge who is right on this issue? Science? The Bible?
-So when does human life begin?
-Did you find the video biased?
-Did you find this forum at Saddleback influential in your decision-making process concerning the presidential election?