Possible Clues:

• Take-off gives one a funny feeling
• May a book's second one bring about a change of view?
• What the mimic is capable of or that's the feeling?
• Is charged for stamp from the start or that's the feeling
• Rich Little forte
• Impact made by Rich Little?
• A vague idea permission is needed
• Single printing of a book
• Paul's to continue without a single idea
• See 108 Across