The fireworks fly throughout this clip, but the "b-word" enters around 4:00.  The invective is in reaction to the Sharron Angle TV ad they play at the beginning of the segment.  So you could watch that part of the clip, then begin testing your VTTOQ (View Tolerance Tap Out Quotient).  If you begin clawing at your eyeballs in the 2-3 minute range, then just skip forward to the 4:00 mark: