> CBS Evening News anchor Katie Couric will be on The Early Show tomorrow to talk about the “Stand Up To Cancer” initiative. Couric will announce the grand total of donations raised over the last year and award three-year grants to “dream teams” researching cancer treatments.

> You’ll have to wait two more days to see Lionel and Nicole Ritchie on Larry King Live. Originally scheduled for this evening, the interview will now air Thursday night. Tonight’s LKL will focus on the California Supreme Court ruling on Proposition 8.

> A former O’Reilly Factor producer is getting ready to break a Guinness Record. Jess Todtfeld, who is now a media trainer, and his business partner TJ Walker are trying to break the record for most radio interviews done in a 24-hour period. The record is 72. On Monday they’re booked on 87 shows with plans to do more than 100. They are promoting their new book “How to Get on the Radio Without Really Trying.” Kidding. It’s actually called “TJ Walker’s Secret to Foolproof Presentations.”