The targeted attack was likely aimed much bigger than the drag show. If someone wanted to take the power out at a theater, they would go after the theater transformer or service drop. No need to take out 45,000 customers.
Agree with poster above. This is domestic terrorism, and has been a predicted national concern for quite some time. There was a recent segment on 60 Minutes about the danger to the national electrical grid.
Here is an article about it.
Bill Whitaker reports that a coordinated attack on a relatively small number of critical substations could plunge the U.S. into darkness.
www.cbsnews.com