In 50 days, Joe Biden is set to become the country’s 45th president, but he still faces an ongoing assault on transition norms from President Donald Trump. Author Evan Osnos joins us to discuss the challenges Biden faces. 

What does China's rising economic and political clout on the world stage mean for the United States? The New Yorker writer Evan Osnos visits Chicago Tonight to talk about China's rising status and his new book. Read an excerpt from Age of Ambition.