How do I convince Hitler that Churchill will surrender?

Hint 1 of 8:

You only have an hour before Churchill makes a radio broadcast that

Hint 2 of 8:

will tell Hitler all he needs to know.

Hint 3 of 8:

Listen in to Hitler and Mussolini for a few minutes.

Hint 4 of 8:

They'll tell you the code word Churchill will use for surrender.

Hint 5 of 8:

Now you need to make Churchill say "cigar."  (See Dover, 1940 AD.)

Hint 6 of 8:

Once you've done that, go back to Rome to watch Hitler.

Hint 7 of 8:

If you don't here anything, he will hear Churchill's retraction.