P.M. Headlines

(ABC News): "In Boston bomb probe, who and why remain"

(ABC News): "Boston Marathon fatalities include a boy, a woman and a BU grad student"

(Reuters): "Napolitano says no indication Boston blasts part of larger plot"

(New York Times): "US engaged in torture after 9/11, review concludes"

(The Hill): "Senate at war over Thatcher resolution"