Did the Obama administration launch an investigation into the Trump campaign based solely off of unverified political opposition research? And was that “research” dressed up and given more credibility than it should have? It appears that way based on an investigation of open-source information by Tablet. The outlet’s investigation begins with a June 24, 2017, Facebook post by Mary Jacoby, the wife of Glenn Simpson, the former Wall Street Journal reporter who started Fusion GPS, the firm behind the dossier. Jacoby, a former Wall Street Journal reporter who once shared bylines with Simpson, bragged how her husband was not getting...