Possible Clues:

• Philosopher goes round America in a banger
• USA, likewise, in a skin for small fry
• Minced meat product
• Canine's unhappy about handling: 'Walk backwards!'
• Wise ringing America for breakfast food
• Uses Aga to make a bite to eat?
• Part of a hot dog
• Banger; snag
• Edible sort of dog
• One of those in the plot takes in America by banger