What could have been.

Showtime has released the trailer for Homeland's final season starring Claire Danes and Mandy Patinkin. Danes and Patinkin have been the heart and soul of Homeland since it premiered in 2011. Developed by Alex Gansa and Howard Gordon and based on the Israeli series Prisoners of War by Gideon Raff, Homeland has gone on to become an award-winning prestige series in the years since its premiere. [caption id="attachment_855038" align="alignright" width="360"] Image via Showtime[/caption] It should come as no surprise at this point that the forthcoming season of Homeland — its eighth and final — is going …