After considerable speculation and, in recent weeks, almost certainty from media insiders, Katie Couric confirmed this morning on “The Today Show” that she will be leaving her post as co-anchor.

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It is, as she describes it, “the worst kept secret in America” that Couric will be taking over the anchor desk at “The CBS Evening News,” and will also serve as a correspondent for “60 Minutes.”

If you didn’t catch her announcement, click on the link to watch it. Matt Lauer provides a big laugh when, after Katie makes her emotional, heartfelt speech about how sad she is to be leaving but how she’s excited about what the future holds and thankful for everyone’s support, he pauses, then, in a total deadpan, just says, “Also coming up in this half-hour…”

Katie inspires a lot of dislike among people who think she’s too perky for a proper newswoman, but I’ve always liked her, so I was a little bummed to hear that she was departing from “Today.” Hopefully, Ann Curry will get the call-up to co-anchor now…though I’d guess it’s probably a tight race between her and Campbell Brown.