Well, if he did this during testimony, Dr. Doom likely touched a number of things on addition to his specs. The table, his chair, the mike, a water glass, any papers he has with him...
What happened to all that stuff about fomites, Doc, hmmmmm?
Magazines are still in docs offices, as is the same sign in pen. Buy a box, and 2 containers mark CLEAN/DIRTY. USE cleaner on used pens, better yet take your own.
He put his hands in his own pockets. Watch the whole thing.