Once one of the BBC's best known personalities, he introduced the first TV news bulletin in 1954.
The former White House adviser backed the travel ban during his appearance at the debating society.
The 26 volunteers will run guided tours on Islamic astronomical instruments and Arab textiles.
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How police closed in on National Action
Oxford United stretch their unbeaten league run to seven games with victory over Gillingham at the Kassam Stadium.
Oxford United boss Karl Robinson says the club's league position will not dictate if he decides to sign Nile Ranger.
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