Leland Miller, CEO of China Beige Book International, tells Pimm Fox and Lisa Abramowicz why optimism about China's economy is based on misconceptions. Scott Galloway, a professor of markets at NYU's Stern School of Business, talks about how the traditional rules of business don't apply to the Big Four: Apple, Amazon, Facebook and Google. Barry Ritholtz, the founder of Ritholz Wealth Management and a Bloomberg View columnist, discusses evidence-based investing. Finally, Bloomberg's Laura Davison, talks about the GOP's rollout of their new tax cut proposal.