Torn journal is a miscellaneous item in the Fallout: New Vegas add-on Dead Money.
Location
It can be found in Salida del Sol North near the most southern exit to Salida del Sol South, on the floor at the top of the stairs.
Transcript
...seems kind enough, signed my poster, and even the promo photo. Kind of a sad look to her, though, like she wasn't really there. And she almost ran when Mr. Domino slipped his arm through hers, and he wasn't even looking at her, like she was a bag hanging on his arm. Something wrong between those two, not sure if Sinclair sees it, but I do.