NEXT WE ARE GOING TO TALK ABOUT JOHN THE BAPTIST JOSEPHUS AND GOSPELS

Sanders' account... He was killed because Antipas had been affronted by John, and because John posed a threat of insurrection. 

Josephus routinely deletes Jewish redemption and insurrection references, according to Sanders, so as not to annoy Rome... so we only see the tip of the iceberg in Josephus, really.