Mark Zuckerberg testifies before Congress. Bed Bath & Beyond takes a bath. And Walmart and Amazon battle it out in India. Ron Gross, Matt Argersinger and Jim Mueller analyze those stories and more. Plus, David Kirkpatrick, author of The Facebook Effect, talks about the future of Facebook. Thanks to Slack for supporting The Motley Fool. Slack: Where work happens. Go to Slack.com to learn more.