Americans do not want their former Presidents subjected to prosecution, and this probably also applies to former First Ladies.
Here’s a starter list that should easily help the population along with this issue...
Never actually qualified to be pres? Yep.
Selling military secrets to our enemies? Yep.
Supporting enemies while sending US military into their path? Yep.
Eating children? Yep.
The President will stay at the ambassador's residence
The Corinthia Hotel will host the president's kids during his trip to London this week. hmmm