'This Is Us': Milo Ventimiglia on Jack's Decision to Hide Nicky After 'Unspeakable' Vietnam Twist

(Warning: This post contains spoilers for Tuesday’s episode of “This Is Us,” titled “Songbird Road: Part One”) Last week, “This Is Us” fans found out Jack Pearson (Milo Ventimiglia) — America’s favorite dad and the world’s perfect husband — definitely lied to his family about the fact his little brother Nicky (played in the present day by Griffin Dunne and in the past timeline by Michael Angarano) did not die in Vietnam. And tonight, Kevin (Justin Hartley), Randall (Sterlin...