Possible Clues:

• Embarrass one's friends in public, say
• Rant and rave in public, or what the ends of 18-, 23-, 36- and 52-Across do
• Rant and rave in public
• Be disruptive, or what you can do with the ends of 17-, 25-, 35- and 51-Across
• Rant and rave
• Create a fuss to produce a landscape