Possible Clues:

• *Poet who influenced T.S. Eliot
• *Expatriate American poet who was a WWII fascist collaborator
• Expatriate American poet arrested for treason in 1945
• Writer's book not a lot of money
• Poet who made radio broadcasts in support of Mussolini
• Poet born in Hailey, Idaho (1885)
• Poet certified Prisoner of Zenda, up or out
• Poet making money after appearance of book
• 'The Seafarer' poet
• ... while composer from Sacramento sticks to light music