Squawk Box anchors discuss the global stock market rally amid optimism for a U.S.-China trade deal after U.S. President Donald Trump confirms he'll meet with Xi Jinping at the G20 summit. Signals from the ECB that it is considering further easing also boosts equities and sends bond yields to near two-year lows, while investors await a decision from the Fed today. President Trump takes aim at central bankers, saying he could consider demoting Fed Chair Jerome Powell while also blasting Mario Draghi's stimulus plans. Elsewhere, the remaining contenders to become the next UK Prime Minister clash in a TV debate, and Facebook’s cryptocurrency gets a frosty response from regulators.See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.