Argamani could be joined by Israeli hostages, including Eli Sharabi, at first presidential address
Family says they received a previous message from Nimrod via a released hostage
Invitation comes after Trump watches translated version of the Hebrew interview
Hamas published video showing released hostage parting from brother, who is still captive
Israel hopes to secure the release of more hostages without beginning phase 2
Yahalomi, Idan & Elgarat were murdered in captivity; Mansour during Oct. 7 massacre