Attorney General William Barr, in tossing to Congress the political hot potato of impeachment of President Donald Trump, has unloaded legal responsibility by the executive branch onto the legislative.
Mr. Barr's use of the Robert Mueller report, in which 10 "episodes" provide a road map for possible conviction of the president, puts the spotlight squarely on the 53 Republicans in the Senate who hold the key to any Trump impeachment.
The House Democratic majority likely assures his indictment if it comes to a vote there. But the GOP-held Senate has ample votes to defeat conviction, which requires a two-thirds vote in that body.
Only two presidents, Andrew...