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Saturday's Guests (Sept. 29): The GOP bubble, Obama's widening lead, the NFL labor dispute

Katherine Guthrie and Sal Gentile

Tomorrow on Up w/ Chris Hayes, we'll be discussing the Republican bubble trap, highlighted by the recent spate of GOP politicians dismissing national polls showing President Obama ahead of Mitt Romney. We'll also dive into what's behind those poll numbers, and look at evidence that the Obama recovery may be much stronger than the political establishment has realized. And we'll examine the NFL referees debacle in the larger context of the state of organized labor in America.

Joining Chris tomorrow at 8 AM ET on MSNBC will be:

Jamilah King (@jamilahking), news editor for colorlines.com

Mike Pesca (@pescami), sports correspondent for National Public Radio.

Ohio Democratic Senator Sherrod Brown (@sherrodbrown), who's currently locked in a closely watched re-election battle.

Joy Reid (@thereidreport), MSNBC contributor and managing editor of TheGrio.com

Bill Fletcher, Jr., co-founder of the Center for Labor Renewal and author of "They're Bankrupting Us! And 20 Other Myths about Unions."

Ro Khanna, author of "Entrepreneurial Nation: Why Manufacturing is Still Key to America's Future," former deputy assistant secretary at the Department of Commerce, former member of the White House Business Council.

Josh Barro (@jbarro), lead writer for Bloomberg View's "The Ticker."

Sheila Bair, author of "Bull by Horns: Fighting to Save Main Street from Wall Street and Wall Street from Itself," former chair of the Federal Deposit Insurance Corporation (2006-2011), former assistant secretary for financial institutions at the Treasury Department (2001-2002), and former senior vice president for government relations of the New York Stock Exchange.

Joe Weisenthal (@thestalwart), deputy business editor at BusinessInsider.com.

::Blogged by Katherine Guthrie (@kguth1130), production assistant for Up w/ Chris Hayes, and Sal Gentile (@salgentile), segment & digital producer. ::