Possible Clues:

• How the stock ran out all at once?
• Ran wild, as cattle
• So to have put your foot down over the editors got them on the run
• Put your foot down before the hidden deed ran away with you
• In panic one put one's foot down over Edward I and Edward II (9)
• Dashed off and printed a newspaper leader
• Dashed off, and so made an impression on a top newsman
• Rushed wildly
• Put your foot down with deed of having put your best foot forward
• Ran wildly, as a buffalo herd