On Monday, a Texas civil rights attorney launched a clemency petition for National Security Agency whistleblower Reality Winner in Dallas. The attorney, Alison Grinter, encountered Winner through Crystal Mason, a Texas mother who served time alongside Winner in a Fort Worth federal prison after receiving a five-year sentence for “illegal voting” in the 2016 presidential election. Mason and Winner became friends in the facility’s newsroom, where they spent long hours watching TV news and debating current events. After hearing about Winner from Mason, Grinter began corresponding with the whistleblower’s mother, Billie Winner-Davis, on Twitter. Last year, the two women drove...