http://en.wikipedia.org/wiki/Lech-Lecha
http://av1611.com/kjbp/kjv-bible-text/Ge-16.html11 And the angel of the LORD said unto her, Behold, thou art with child, and shalt bear a son, and shalt call his name Ishmael; because the LORD hath heard thy affliction.
12 And he will be a wild man; his hand will be against every man, and every man's hand against him; and he shall dwell in the presence of all his brethren.
13 And she called the name of the LORD that spake unto her, Thou God seest me: for she said, Have I also here looked after him that seeth me?
14 Wherefore the well was called Beerlahairoi; behold, it is between Kadesh and Bered.
15 And Hagar bare Abram a son: and Abram called his son's name, which Hagar bare, Ishmael.
then they had to invent circumcision and sodom and gomorrah. Stuff happend, two sisters fuck their dad while he is drunk. Then we get back to Sarah and then she has a miracle baby at 90 or something.
So basically Newt Gingrich is just being Biblical with his open marriage and not letting his seed go to waste.