1) Yes to the right of return, ie. to the original Arab land (Syria, Jordan, Yemen,etc.) 2) See above. 3) Armed forced to be allowed: as soon as the boys and girls perished at Delfinarium are resurrected from the dead. 4) The Arab countries deny Israel's right to exist, so any green lines set by UN (or whoever else) are irrelevant.
Iran: IAEA visit to U.S. Senate damages UN neutrality (DPA)