ABC’s “This Week” – Sens. John Kerry, D-Mass., and Joe Lieberman, I-Conn.; Gov. Ed Rendell, D-Pa.

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CBS’ “Face the Nation” – Gov. Bill Richardson, D-N.M.; Philadelphia Mayor Michael Nutter; Democratic strategist Joe Trippi.

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NBC’s “Meet the Press” – CIA Director Michael Hayden.

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CNN’s “Late Edition” – Aaron Miller, former State Department adviser; Heraldo Munoz, Chilean ambassador to the United Nations; Sens. Bill Nelson, D-Fla., and Mel Martinez, R-Fla.; Democratic strategists James Carville and Jamal Simmons.

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“Fox News Sunday” – Sens. Lindsey Graham, R-S.C., and Jack Reed, D-R.I.; Stan Kasten, team president of the Washington Nationals.