Writer of Trump’s Russia dossier slapped with congressional subpoena

The Republican chairman of the House intelligence committee has subpoenaed the head of the Washington firm that commissioned the sensational anti-Trump campaign research dossier — adding fresh intensity to the behind-the-scenes scramble among lawmakers to grasp how the infamous document fits into the Russian election meddling investigation. The subpoena issued for Fusion GPS co-founder Glenn Simpson comes as special counsel Robert Mueller’s separate investigation interviewed the former British spy, Christopher Steele, who worked with Mr. Simpson in compiling the dossier of negative intelligence on Mr. Trump. -- More...