We have noted before that there are seasons when revisionist scholars seek to call into question fundamental beliefs about Jesus, the scriptures, and the church. Two prime seasons for this activity are Easter and Christmas. Darrell Bock,  research professor of New Testament studies at Dallas Theological Seminary and the co-author, most recently, of Dethroning Jesus: Popular Culture and the Quest to Unseat the Biblical Christ  (described by Publisher's Weekly as "Ph.D.s and writers Bock (Jesus According to Scripture) and Wallace (author of one of the most widely used textbooks on New Testament Greek grammar) team up to address what they refer to as Jesusanity—the trend to dethrone Jesus and view him as a wise and revered leader rather than as the Christ of Christianity") writes in Christianity Today about  the challenge  this Christmas:
We are seeing a growing public interest in Jesus and the early church. There are two kinds of presentations on these topics: scholarly books and "new find" announcements. Both kinds need our attention because the way this information is released is changing, making it more difficult to tell the difference between fact and fiction. Every Christmas and Easter season, a "blockbuster" story proclaims the need to redefine Christianity. (This Christmas season, the media is touting a book by liberal scholars Marcus Borg and John Dominic Crossan titled, The First Christmas: What the Gospels Really Teach About Jesus's Birth.) I tell my students to take their inoculation shots and get ready to engage. . . .
Read Bock's whole article in Christianity Today to find out how and why we should respond to such "scholarship".