On January 10, 1999, a mobster walked into a psychiatrist’s office and changed TV history. By shattering preconceptions about the kinds of stories the medium should tell, The Sopranoslaunched our current age of prestige television, paving the way for such giants as Mad Men, The Wire, Breaking Bad, and Game of Thrones. As TV critics for Tony Soprano’s hometown paper, New Jersey’s The Star-Ledger, Alan Sepinwall and Matt Zoller Seitz were among the first to write about the series before it became a cultural phenomenon.  To celebrate the 20th anniversary of the show’s debut,...