Saoirse Ronan plays double duty in The Host - Stephenie Meyer's latest novel to be adapted for the big screen - as two characters trapped in one body. We sat down with the actress at a recent press day for the film, where she talked about taking on the challenging role. Saoirse also weighed in on Stephenie's popularity and her own experience reading Twilight for the first time. The Host hits theaters on March 29.">