The furore over the scale of American mass surveillance revealed by Edward Snowden shifted to an incendiary new level on Wednesday evening when Angela Merkel of Germany called Barack Obama to demand explanations over reports that the US National Security Agency was monitoring her mobile phone. Full story >>
To bug something is to put a special device (= a bug ) somewhere in order to listen secretly to other people's conversations. • They bugged her hotel room. • They were bugging his telephone conversations.