The Ticker: ABC, CNN, CBS…

> Good Morning America is hitting the road for the rest of the week, with the anchors dispersed throughout swing states Florida, Ohio and Pennsylvania. Robin Roberts interviews Sen. John McCain tomorrow. Also Elizabeth Vargas interviewed Gov. Sarah Palin today (and is already making news), which airs tomorrow on Good Morning America and 20/20 on Friday.

> Andy Plesser of Beet.TV interviews CNN.com SVP KC Estenson about CNN.com Live. Also discussed in the video interview — CNN’s iReport site.

> Beginning on Friday, CBS’ The Early Show starts a new series tomorrow called “Destination Unknown.” It sounds like the opposite of “Where in the World is Matt Lauer” — instead of the audience guessing where the anchor is, the anchor will have to guess where he/she is headed. They will be given a clue, driven to the airport, and then report from, as the release says, “who knows where?”

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