In July, a Democratic National Committee staffer named Seth Rich was gunned down in the Bloomingdale neighborhood of northwest D.C. The police said his murder may have been the result of a robbery. Now, however, Wikileaks founder Julian Assange is saying there is more to the story In an interview with a Dutch media outlet known as Nieuwsuur on Tuesday, Assange admitted that Rich, a staffer in the voter data department of the DNC, was Wikileak’s source within the organization. In recent weeks, Wikileaks has released a torrent of information from inside the DNC — from emails to memos to...