I'm sure I've heard that phrase before...

My fellow denizens of soc.history.what-if might be interested in this item from the Observer's Pendennis column:

The catastrophic saga of the world's worst-fated dust jacket rolls on. Thousands of sleeves for historian Andrew Roberts' new book - What Might Have Been - 12 What Ifs of History - have been pulped by publisher Weidenfeld after it emerged that litigious Macmillan had registered exclusive use of the phrase 'What If?' Now it seems Nasa was also bruising to litigate. 'The jacket had a picture of the moon on it,' a Weidenfeld bookworm moans to Pendennis. 'It was taken by Nasa and they said they would sue if we used it. We couldn't believe it. Do they own the moon?' Pendennis has put a call in to Cape Canaveral ...

(Also posted as an item to SHWI)