An anti-KKK law is being used to sue the Trump admin. Will it work?

Mahmoud Khalil is suing the Trump administration, alleging a "public-private conspiracy" to punish him for pro-Palestinian speech. The law he's using dates back to 1871 — it's called the Ku Klux Klan Act. It's the same statute civil rights attorney Randolph McLaughlin used in the 1980s when he become one of the first lawyers to successfully sue the Klan. McLaughlin walks us through how that…