Soul searchingOne characteristic that you wouldn't immediately associate with the chaps at CME, cash-flush that they are, is that of self-doubt. Quite the reverse, in fact - while they are all charming, intelligent and fantastic company they can never be said to be backwards in coming forwards about their exchange's recent success. Indeed, when every press release they send out kicks off with the phrase "CME, the world's largest and most diverse financial exchange" one might even dare to suggest that they like a bit of a boast. In connection with that particular claim the chaps at Eurex might like to make an even stronger suggestion, but I won't go into that now. Anyway, over recent weeks if you had popped along to the CME website you would have seen something that can only be regarded as a little bit of insecurity, as the...