PREVIEW: Roman questions Shawn about Colin's murder, while Bo questions Tony; Sami tells Brandon she knows he slept with Lexie. SUMMARY: **from SoapCity.com** Bo is concerned when Hope tells him that she still isn't sleeping well, she hasn't picked up Zack, and is constantly distracted. He calls Marlena and implores her to come and see Hope; after Bo's gone back to the station, Marlena reveals that Bo called her because he's worried. Hope insists she is coping, but she's distracted by Larry's voice in her head as Marlena brings up the possibility that Hope may be suffering from post-traumatic stress disorder. As Marlena and Hope take down the Christmas tree, Hope breaks an ornament and is hit with a memory of a body on the ground at the Kiriakis Mansion, but the body isn't Colin -- it's Larry... Shawn and Belle arrive at the police station so Shawn can be questioned about the night of Colin's murder. Belle can see Shawn is nervous and tries to reassure him. As Roman asks Shawn i