Sunday: Marco Rubio, Paul Ryan, and Steny Hoyer

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Republican presidential candidate, Sen. Marco Rubio, R-Fla., speaks at a meeting of the Oklahoma Independent Petroleum Association in Oklahoma City, Wednesday, Sept. 2, 2015.

AP/Sue Ogrocki

Another Republican presidential debate shakes up the 2016 campaign, and a new speaker of the House shakes up the leadership on Capitol Hill. This Sunday on "Face the Nation," we'll talk with the newsmakers at the center of it all.

Florida Sen. Marco Rubio turned in what many observers deemed an impressive performance at the GOP debate, tangling with his onetime-mentor, former Florida Gov. Jeb Bush, and pitching himself as the best Republican to take on Democratic frontrunner Hillary Clinton. But will he be able to build on his momentum? And what does he think of President Obama's decision to send U.S. Special Operations forces into Syria to fight ISIS? We'll sit down with Rubio for an interview from Des Moines, Iowa, where the senator is courting voters ahead of the first-in-the-nation caucus.

And he didn't seek the job, but he found it nonetheless - Wisconsin Rep. Paul Ryan was elected speaker of the House by his colleagues this week, and he's promised to change the way Congress does business. "The House is broken," he declared in his first floor speech as speaker. "We're not solving problems, we're adding to them. And I am not interested in laying blame. We are not settling scores. We are wiping the slate clean." In an interview with Ryan on Sunday's broadcast, we'll ask him how he plans to approach his new job.

We'll also talk with Maryland Rep. Steny Hoyer, the assistant Democratic leader, about how Democrats plan to deal with the new GOP leader. Will the turnover present an opportunity for more dealmaking? Or will the warfare in Congress continue unabated?

As always, an expert panel will help us break down the busy news cycle. This week, we'll get input from the New York Times' Jonathan Martin, the Atlantic's Jeffrey Goldberg, Slate's Jamelle Bouie, CBS News contributor Peggy Noonan, of the Wall Street Journal.

Noonan will also discuss her new book, "The Time of our Lives," a collection of writings from throughout her long career. A speechwriter in Ronald Reagan's White House turned conservative columnist for one of America's top newspapers, Noonan has left an impressive paper trail.

You can catch all of that and more on "Face the Nation" this Sunday. We hope you can join us! Check your local listings for airtimes.