Katie Couric by Andrew Eccles/CBS Katie Couric by Andrew Eccles/CBS

The unauthorized biography Katie: The Real Story claims, among many other things, that Katie Couric (during her bachelorette days) crippled the marriage of a CNN exec who promised to crown her a star, then as Today cohost deliberately ate into Matt Lauer's airtime and "did everything in her power" to squash the ascension of rising star Ann Curry.

Author Edward Klein (who previously penned The Truth About Hillary, also posits that Couric's marriage to Jay Monahan was merely for show by the time he succumbed to cancer, and that only "her fear of negative publicity" kept them husband and wife. Asked for comment by the New York Daily News, Couric's spokesperson says, "The baseless gossip... doesn't merit a response."