"Senators File an Enemy-of-the-Court Brief"

That's the title of a Wall St. Journal article today, which explains:

Five Democratic Senators have had it with subtle. In a remarkable and threatening amicus brief, Sheldon Whitehouse, Mazie Hirono, Richard Blumenthal, Richard Durbin and Kirsten Gillibrand all but tell the Justices that they’ll retaliate politically if the Court doesn’t do what they say in a Second Amendment case. 

See Warning or Threat? Democrats ignite controversy with Supreme Court brief in gun case.