Swiss officials foiled an apparent spying operation by Russians posing as plumbers in Davos, site of the World Economic Forum’s annual meeting, a newspaper reported on Tuesday, but police did not confirm key details of the account. The report in the Tages-Anzeiger newspaper said the two Russians were checked by Swiss police in August last year in the ski resort, which is hosting the WEF gathering of the global business and political elite this week. The pair presented diplomatic passports and left the country, the paper said. Police in the eastern Swiss canton of Grisons said two men with Russian diplomatic passports ... (full story)