On The 21st: Who gets to talk about history, especially when that history is brutal and hard to talk about in the first place? That’s the subject of a new play from Chicago’s Steppenwolf Theater. Plus, after years of criticism, Illinois has scraped the controversial PARCC standardized test in schools. But will the new one be different enough to quell concerns from teachers and parents? And, we explore the messy backstory of the US trade war with China, including its roots in the Cold War and intellectual property theft. Also, what better way to celebrate Pi Day today than with some lemon meringue?