[shadeaud]

and he had nobody edit the slides just before show time?

[Pearls Before Swine]

and he had nobody edit the slides just before show time?

Simple explanation: He has more than one USB stick and grabbed the wrong one. Or, he had more than one "presentation" on his thumb drive.

[Psalm 144]

and he had nobody edit the slides just before show time?

************************

Perhaps he did, and therein might be the problem. Not likely, but not impossible.

[Carriage Hill]

Those USB memory sticks don’t just come like that from the mfgr. Someone got to that PP Show and “did some editing”, just for the audience of children, I’m guessing.