Republicans subpoena three tech companies over Clinton emails

Republicans in Congress have subpoenaed three technology companies that declined to hand over documents about former U.S. Secretary of State Hillary Clinton’s private email server.On Monday, Datto, SECNAP Network Security and Platte River Networks received subpoenas from U.S. Rep. Lamar Smith, a Texas Republican.Smith is demanding documents from the companies as two congressional committees from the House and Senate investigate the Democratic presidential nominee’s use of a private e