One of the most iconic brands in financial television returns for today's issues and today's world. This edition of Wall Street Week features David Westin's interviews with NIAID Director Dr. Anthony Fauci, Discovery CEO David Zaslav, AT&T CEO John Stankey, Financial Times Editorial Board Chair Gillian Tett, and Former Treasury Secretary Lawrence H. Summers. The conversations highlight the volatility in cryptocurrencies, the importance of a global vaccination effort, and the media makeover for Discovery and AT&T.