After widespread calls for his resignation, Icelandic Prime Minister Sigmundur David Gunnlaugsson stepped down Tuesday — an apparent casualty of the Panama Papers leaks. Sigurdur Ingi Johannsson, the deputy chair of Gunnlaugsson’s Progressive Party, announced the resignation on national public broadcaster RUV. Johannsson said he will take over. But he said Gunnlaugsson will remain head of the Progressive Party — which might not go down well with some Icelanders who ...