Trumps looks modern and hip compared to those two. Bush and Wookies pics look like something your grandmother submits to the funeral home for the Mass Card.
That is definitely not modern or hip. From a technical perspective and when this was in style, it is more like 1980s Glamor Shots.
Modern and hip right now for formal portraits and headshots fall into two categories.
1. Strong balanced light, very natural look with strong eye catch light. 'Laughing' expression. Example:
2. Natural light, strong backlighting.