The title of Jason L. Riley's new book helps explain why it has proven so controversial: Let Them In: The Case for Open Borders.

Let Them In is as exhaustively researched as it is eminently readable. Riley, a member of The Wall Street Journal's editorial board, runs through the six biggest anti-immigration arguments at play in today's heated political world—and finds them wanting.

Earlier this summer, Riley sat down with reason.tv's Nick Gillespie to discuss the leading myths about the causes and effects of immigration.

Click below to watch this approximately five-minute interview.

And for a longer, more-detailed discussion of Riley's book and immigration policy, click below (approximately 25 minutes).

For more information, videos, and to embed these videos on your own site, go to reason.tv.

To download MP3s of the short and long versions of these interviews, go here.