I don't know how many of you have been tuning into our columnist conversations. It's a relatively new feature on the 'Ville but it's already my favorite place. The strangeness of my life has made it a challenge to engage in reliably sane back-and-forth exchanges about the markets particularly online. No complaints. This is the life I have chosen and to be on television is to be heckled on-line. Regardless a few weeks back Senator Richard Shelby stormed onto network television with a fistful of emails which he announced were "from economic folks at places like MIT" (I could ...