Your Data: Tech companies' reign over users' personal data has run largely unchecked in the age of the internet. Europe is seeking to end that with a new law.Ultra Deep: A South African gold mine that goes two miles beneath the Earth's surface holds far more than just precious metals.The Pact: Twin brothers Shaquem and Shaquill Griffin tell Sharyn Alfonsi how their commitment to a childhood pact led them to become teammates on the Seattle Seahawks.

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