Not allowing the right of return of the descendants of the refugees of 1948 means admitting that the creation of the state of Israel was based on ethnic cleansing. Those people would have been citizens of Israel if their parents had not been kicked out. If you cannot accomodate these people now as this would destroy the 'Jewish character' of Israel you might as well admit that the removal of 80% of the Palestinians in '48 was a prerequisite for the creation of Israel. Not such a beautiful foundation and the source of all subsequenbt troubles.
Colombia recalls ambassador to Venezuela amid border crisis (Reuters)
from the article: Poll: Most Israelis oppose withdrawing to 1967 borders