Jerusalem goes at the third place after Mecca and Medina for Muslims. It goes first for Jews. Jews and Christians know that. However, in a more pragmatic and 'down to earth' approach, what is going to happen is that Jerusalem will be divided, and not precisely according to the 67 borders. That time is over. Maps are already designed. People working on them for years.
U.S., allies conduct 22 strikes against ISIS targets in Iraq, Syria (Reuters)
from the article: Lieberman: Jerusalem is our eternal capital, it will never be divided