According to Erik Erickson of RedState, Sarah Palin “Winged” Her Speech Because of “Broken” Teleprompter.

It was noted by a number of commentators that Palin deviated from the prepared speech about half-way through.  Apparently the teleprompter is supposed to pause during applause, and wasn’t doing so for either her or for Giuliani....

For comparison, watch how Obama handles a broken teleprompter: