Katie Couric and Sarah Palin to face off again _ this time in morning ...

AP NEW YORK — Katie Couric helped start and perpetuate morning television's most epic winning streak. Now she'll try to break it. ABC announced Thursday that the former "Today" show anchor will be guest host next week on "Good Morning America," theKatie Couric's debut as a fill-in host this week on "Good Morning America" has pissed off some of the GMA staff, who feel it's a slap in the face to…Katie Couric's debut as a fill-in host this

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