WSJ: “Special Counsel Robert Mueller has impaneled a grand jury in Washington to investigate Russia’s interference in the 2016 elections, a sign that his inquiry is growing in intensity and entering a new phase, according to people familiar with the matter. The grand jury, which began its work in recent weeks, signals that Mr. Mueller’s inquiry will likely continue for months. Mr. Mueller is investigating Russia’s efforts to influence the 2016 election and whether President Donald Trump’s campaign or associates colluded with the Kremlin as part of that effort…Grand juries are powerful investigative tools that allow prosecutors to subpoena documents, put witnesses under oath and seek indictments, if there is evidence of a crime. Legal experts said that the decision by Mr. Mueller to impanel a grand jury suggests he believes he will need to subpoena records and take testimony from witnesses…”

• See also the Washington Post – “Two bipartisan pairs of senators unveiled legislation Thursday to prevent President Trump from firing special counsel Robert S. Mueller III without cause — or at least a reason good enough to convince a panel of federal judges.”