There is only one activity more thankless than predicting the future--and that is publicly sharing your predictions. But Christmas is the season for sharing, so here is my list of predictions for 2009. Caveat lector, of course, so much of this is bound to be wrong. But I would be willing to bet my Harvard M.B.A. that at least three of them are correct. Okay, maybe two of them.Prediction No. 1: General Motors will file for bankruptcy-law protection by the end of April Will the TARP money tide GM over until 2010? Not a chance. Bondholders and the UAW will fight. Rick Wagoner will get the sack. And the "car czar" will...