Protest exposes Silicon Valley-Hollywood rivalry

LOS ANGELES (AP) — In a move that height­ens the grow­ing ten­sion between Sil­i­con Val­ley and Hol­ly­wood, Wikipedia and other web­sites went dark Wednes­day in protest of two con­gres­sional pro­pos­als intended to thwart the online piracy of copy­righted movies and TV programs.