One is SOP for older television personalities while the other is insecurity trying to look macho and failing horribly.
Perhaps DS had gotten away with it but he failed pretty hard lying about his height in public.
If he lies about something this trivial what else would he lie about?
There may be something in the Florida constitution that says governors must appear as tall as possible when in public. Remember Jeb standing on his tip-toes in a group to appear taller?