Guest host Jonathan Capehart fills in for Leonard. First, Lanae Erickson Hatalsky talks about today's Supreme Court rulings on gay marriage. New Yorker staff writer Ryan Lizza looks at the congressional wrangling over immigration legislation. Savion Glover discusses his new show at the Joyce called “Stepz.” Former Galleon Group trader Turney Duff describes what Wall Street people do after hours. And scholar James Shapiro shares some little known facts about Shakespeare and his work!