'Homeland' preview: Brody steps into the spotlight, Carrie watches

In Sunday's (Oct. 23) episode of Showtime's "Homeland," Brody (Damian Lewis) is stepping further into the public eye as politicians attempt to use him as a tool in the war (of words) on terror.

Meanwhile, Carrie (Claire Danes) is trying to zero in on the link between Brody and terrorist mastermind Abu Nazir. Saul's (Mandy Patinkin) advice: Follow the money. She's also starting to enjoy her ability to eavesdrop on Brody's homelife.

In the first clip below, we watch Carrie watching Brody -- she's convinced he's having more "paranoid hallucinations" and, based on this clip, she may be right:




Next, Carrie, Saul and their boss, David (David Harewood) brief their team about the missing Saudi necklace that may be the next link in the chain between Brody and Abu Nazir: