Carol Bartz was fired as the CEO of Yahoo yesterday, and CFO Tim Morse has been promoted to the role of interim CEO.  Our own Jon Rettinger will be on Street Signs on CNBC today to discuss this development as well as the general state of tech company CEOs.  He's scheduled to go on at 11:30 AM PST/2:30 PM EST barring any delays for late breaking news, so be sure to tune in!