Muslim Terrorists vs Christian Terrorist the semi battle royale on The O’Reilly Factor

"The Watters' World segment on The O'Reilly Factor generally provides a bit of levity in the midst of the more serious political debating, and occasionally gets just a tad awkward. Case in point, Jesse Watters talked to a convention of Muslims in a segment that aired on the 12th anniversary of 9/11. The end result was a somewhat awkward segment in which Watters grilled Muslims about acts of terrorism committed by Islamic extremists...".* What about acts of terror from right wing extremists (imaginary, according to Bill O'Reilly)?