Why Is This Happening?

Danny Savalo: Lin Wood, Sidney Powell's and Rudy Giuliani were behind Donald Trump's efforts here to overturn the election. He says they are now being investigated as part of Jackson's probe into what happened in those weeks. Chris Hayes: This week on my podcast, Why Is This Happening, I'll be talking with law professor and author Scott Shapiro all about his new book on the dark history of the information age. And we'll go to Beijing where Treasury Secretary Janet Yellen will arrive today.