Actually, I not only think that, I know it, because that's what the Bible says.
He threw nothing out, just changed things around. See the parable of the barren fig tree.
Also:
*I say then, has God cast away His people? Certainly not! For I also am an Israelite, of the seed of Abraham, of the tribe of Benjamin. *God has not cast away His people whom He foreknew. Or do you not know what the Scripture says of Elijah, how he pleads with God against Israel, saying, *“Lord, they have killed Your prophets and torn down Your altars, and I alone am left, and they seek my life”? *But what does the divine response say to him? “I have reserved for Myself seven thousand men who have not bowed the knee to Baal.” *Even so then, at this present time there is a remnant according to the election of grace. *And if by grace, then it is no longer of works; otherwise grace is no longer grace. But if it is of works, it is no longer grace; otherwise work is no longer work.*What then? Israel has not obtained what it seeks; but the elect have obtained it, and the rest were blinded. - Romans 11:1-7http://www.biblegateway.com/passage/...7&version=Nkjv
Why did God put a hold on His plan for Israel, and cut them off (if only temporarily), and graft in the Gentiles?
Because: