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Since he lived in British Mandate Palestine in 1948, he was considered a "Palestinian refugee." However, since he moved back to his hometown, he might have successfully appealed to regain his Lebanese citizenship, as a number of "Palestinian refugees" managed to do in the 1950s.
His book about the Protocols of the Elders of Zion seems to have been more than just a translation, but indeed a full anti-semitic screed written in 1967 and expanding on the themes of the Russian forgery to apply them to modern Zionism. It has been through at least four editions.
The PA is praising, and claiming as one of their own, a full blown Jew-hater and inciter.
(h/t Ian)
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