Lawmakers set to grill chiefs of Amazon, Google, Apple and Facebook

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The four most powerful CEOs in tech will testify together as part of an anti-trust investigation today. NBC News Business and Technology Correspondent Jo Ling Kent and “Pivot” podcast co-host and New York Times contributor Kara Swisher join Stephanie Ruhle to discuss what we can expect today and whether Congress will actually get answers from the people who control our modern way of life.