"You want to be excited, but you don't want to go overly crazy, " Federer said.

WSJ: Australian Open: The New Normal: Andy Murray vs. Novak Djokovic

"With the geopolitical winds kicking in, the U.S. would be crazy not to go for this, " he says.

FORBES: Wind Broker

Of course, RIM could just add IMAP support directly to its phones so that this whiz-bang tech would work with any third-party email service and wouldn't have to go through BIS in the process, but that would be crazy talk, right?

ENGADGET: RIM's BIS 3.0 email features apparently leaked, finally does Gmail justice

If it happens then I will be very happy, but we are not going to go crazy to have this club.

BBC: Briatore cools QPR takeover talk

Or world markets, oil futures and Arab and Iranian crowds might go crazy and Russia be presented with a whole new set of openings to win back old friends.

FORBES: Is Mitt Romney Serious? The Presidential Hopeful Must Improve His Demeanor

Does this create enough synergy between selling e-books (the Nook business, which would go one way) and the selling of physical books that it would be crazy to run two separate sites after a split?

FORBES: Should Barnes and Noble Break Up? Float Off the Nook To Compete With Amazon and Apple?