Who is Israel ? Sermon from apostasywatch

Galatians 3. 16: "Now to Abraham and his seed were the promises made. He saith not, And to seeds, as of many; but as of one, And to thy seed, which is Christ." (KJV)

When Jesus Christ alone is the Seed of Abraham and Israel is the Seed of Abraham as Isaiah41.8 says, then there can not possibly be an Israel outside of Jesus Christ, logically saying.

Christians are Israel because Christians are part of the Body of Jesus Christ (Colossoans1.24; 1.Corinthians12.27) the only Israelite.
Christiansans are Jews because of the Circumcision of their Heart (Romans2.29) in Baptizm according Colossians 2. 11 - 12.