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Semiconductors are modern wonders, but they are useless without PCBs and the rest of the electronics system.

we begin with the resignation of a key executive in the rupert murdoch media empire. rebekah brooks is out. many people were outraged when brooks kept her job after the newspaper was shut down for scandalous reporting tactics. and as brooks steps down, the investigations ramp up. the fbi now investigating the murdoch empire right here in the united states. lawmakers demanding the probe amid reports that murdoch's journalists hacked the cell phones of 9/11 victims and their families. susan candiotti in new york with the details now. susan? >> reporter: hi, kyra. good morning to you. y...