NEW : Analyst : Leak is an embarrassment at the least , possibly worse . Wife of new spy chief John Sawers posted family details on social networking site . Sawers , 53 , is a career foreign policy expert . Comment: UK foreign minister : It 's not a state secret that he wears Speedo swimsuits .
NEW : Analyst : Leak is an embarrassment at the least , possibly worse . Wife of new spy chief John Sawers posted family details on social networking site . Comment: UK foreign minister : It 's not a state secret that he wears Speedo swimsuits .