Possible Clues:

• Ridicule a member in madman's clutches
• Make fun of lighting - nothing's working
• Harvard tradition
• Piece of writing that ridicules someone
• Ridicule in writing or verse
• It's light enough to have nothing on to make it a sort of 4 down
• Nothing in lighthouse working? A ridiculous scenario
• US city politician initially outraged about send-up
• Travesty of light o' love with knight
• Written ridicule of polo man