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Sunday's Guests (August 26): What is the modern Republican Party? Plus, Tampa and the war over cities

Tomorrow we'll be discussing the state of the modern Republican Party as the GOP heads into its national convention. We'll also delve into the urban-rural divide, focusing on the the RNC's host city of Tampa as an example.

Joining Chris at the table on Sunday at 8 AM ET on MSNBC will be:

Wendell Cox, senior fellow at the Heartland Institute, consultant for the Department of Transportation, and former director of public policy at the American Legislative Council (ALEC).

Michael Bell, professor at Columbia University of Housing, visiting fellow at Harvard University, and an architect at Visible Weather. He also had an installation, which focused on a suburb of Tampa, FL, at the Museum of Modern Art.

Michael Steele, former RNC Chairman and MSNBC analyst.

Sophia Nelson, columnist for, former GOP House Committee Counsel, and author of "Black Woman Redefined."

Mayor Bob Buckhorn, Mayor of Tampa, FL. Also an Urban Land Institute fellow and traevls around the country looking at how other cities develop.

Corey Robin, (@CoreyRobin) professor of political science at Brooklyn College and the CUNY Graduate Center and author of "The Reactionary Mind: Conservatism from Edmund Burke to Sarah Palin."

Elise Jordan, (@Elise_Jordan) contributor with the national Review, Daily Best, Marie Claire, and  Former director for communications for the national security council and former speechwriter to Condoleeza Rice.

Avik Roy, (@aviksaroy) member of Mitt Romney's health care policy advisory group and senior fellow at the Manhattan Institute. He also writes The Apothecary, a Forbes blog on health-care and entitlement reform.

Joan Walsh, (@JoanWalsh) MSNBC political analyst, Salon's editor at large and author of "What's the Matter with White People: Why We Long for a Golden Age That Never Was."

 :: Katherine Guthrie (@kguth1130) is a production assistant for Up w/ Chris Hayes. ::