One of the most iconic brands in financial television returns for today's issues and today's world. This week's Wall Street Week features David Westin's interviews with Former Treasury Secretary Lawrence H. Summers, Carlyle Group Co-Chairman and Co-Founder David Rubenstein, Former Homeland Security Secretary Jeh Johnson and Financial Times Editorial Board Chair Gillian Tett. The conversations highlight the market reaction to President Trump's second impeachment, President-elect Biden's $1.9 trillion stimulus proposal, and the debate over speech on social media.