Judah Smith is a great author, pastor and speaker in Seattle, who can now add a new adjective to his bio: Bieber-endorsed. Smith’s new book, Jesus Is, landed the Instagram endorsement of the famed archnemesis of the Black Keys. “So proud of my pastor,” Bieber told his million, billion, gajillion Instagram followers. “This book comes out on the 26th. Judah is the best speaker of our generation. Read this book. [You] won’t regret it.” Smith hangs out with the Biebz (or whatever) quite a bit, and their friendship isn’t particularly new news, although it remains pretty cool news. And it was enough to pop Jesus Is to the top of Amazon’s list of Christian books. And if you want to read a little more from Judah Smith, well, there’s a certain magazine dealing in faith, culture and intentional living you should be keeping an eye on …