I’ve given my share of presentations too and the only one who “reviewed” my slide show ahead of time was me. This was put on by a bunch of college kids, not a major corporation that has people to review and double check to make sure that the presentation was in line with corporate interests.
I’ve also been at a number of events involving the secret service in a variety of contexts, they focus on the President’s safety, not whether a student is going to put a practical joke image on a laptop or thumb drive. That’s not their job.
I recall going to the last campaign appearance by VP-Candidate Dick Cheney in Pleasanton, California just days before the election in 2000.
We all went through airport-like screening to get into the Alameda County Fairgrounds. During the event, we saw the Secret Service personnel walking around. You couldn't miss them; they were the people talking into their sleeves.
There was this one guy... he was wearing a trench coat. Yes, it was November in northern California, but it was still 70 degrees at night. There were balloons tied up at various places, and one set of balloons was blocking the view from our standing section. Some people were shouting the to the guy in the trench coat to get rid of the balloons. He glanced at us, almost made a move to comply, but then turned around and walked away.
We all assumed that he was the guy with the long barrel weapons. The mobile tank.
We put up with the balloons in our view. A couple of the girls in front of us got to talk on local TV. :-)
-PJ