Google, Facebook Vow to Work with French Police

Tech firms including Google Inc. and Facebook Inc. pledged to deepen cooperation with French police in fighting terrorism online, as pressure mounts on companies world-wide to comply with government demands to delete content and turn over data on users. But points of tension remain unresolved in France and elsewhere over sensitive topics such as data encryption and online surveillance, underscoring the delicate balance Silicon Valley superpowers are attempting to strike between protecting their users and following laws in the countries where they operate.