"The long story of Hasan Sa'id Karmi, BBC Arabic Service broadcaster, lexicographer and man of letters, who has died aged 101, is that of every Palestinian Arab: one of exile, dispossession, oppression and separation - and an enduring sense of loss. But there are few other Palestinians who were approaching adulthood at the time of the Balfour Declaration in 1917 and whose lives stretched well into the first decade of the 21st century."