Richard Gott, who has died aged 87, was an academic, journalist, and a chronicler and supporter of Marxist guerrilla movements in Latin America who resigned in 1994 as literary editor of The Guardian when he was exposed as having been in the pay of the KGB. There were doubts as to whether Gott knew much that would have been of use to the Soviets: one KGB source rated him a “serious disappointment”. But he admitted having met Soviet handlers and travelling at the Kremlin’s expense, though he described his resignation as “a debt of honour to my paper, not an...