An e-mailer asks: "It's been a week, and I haven't watched Katie Couric since the first night. Has she figured out a cute sign-off yet?"

No, not yet. Maybe she'll have one tonight, on the one-week anniversary of her premiere. "To date, more than 37,000 suggestions have been emailed to the network," CBS says...

> Also: Couric & Co. gets a lot of e-mails: "I counted over 3,000 as of Friday, most dealing with Katie's hair, makeup, wardrobe or sign-off..."