> GMA weekend co-anchor Kate Snow will be sitting in all this week for Charles Gibson on World News. Snow’s co-anchor Bill Weir subbed this a.m. on GMA.
> Despite what TMZ.com is reporting, CNN tells us correspondent Richard Quest will not be doing the tango anytime soon (at least not on national TV).
> Another Super Tuesday tomorrow on MSNBC. Chris Matthews continues in Iowa moderating the Livestrong Cancer Forum. Back east, Tim Russert, Natlie Morales, Tucker Carlson, Chris Jansing and others will hold down the anchor fort.
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