Susan,

While waiting for Pilgrim to answer you, here is a previous explanation on some of the passages in Romans 11 by Pilgrim that I found helpful: Romans11

Also, Calvin's commentary on the chapter is worth consulting: RomansCommentary

in Christ,

Carlos

"Let all that mind...the peace and comfort of their own souls, wholly apply themselves to the study of Jesus Christ, and him crucified"(Flavel)