Why Palestinians and Israelis do not exchange rights of return. What it means is Israelis would give to Palestinians refugee the right of return to live not in Israel land, but to live in past Jewish land located in Arabs countries like Iraq, Syria, etc. This will answer if the Arabs are truily interested in peace.
Four Libyan soldiers said killed in battle with Islamists in Benghazi (Reuters)
from the article: Peace Plan: Trading settler Israelis for refugee Palestinians