Stamps to honour five journalists

Five journalists are being honoured by the US postal service in a series of new stamps that will be available next year. They are Martha Gellhorn, who covered several wars; John Hersey, who described the effects of the atomic bomb on Hiroshima; George Polk, a radio reporter who covered the civil war in Greece and whose murder in 1948 remains a mystery; Ruben Salazar, a Los Angeles reporter killed by a tear gas projectile while covering anti-war protests in 1970; and Eric Sevareid, one of the earliest critics of Joe McCarthy. (Via Topix/AP)