Bobby McDonald: The Guardians of the Realm

How do you stop a crime that has not happened yet? 
How do you figure out how some assassin will strike before they've actually done so? 

This is the essential conundrum of the American Secret Service. They are the men and women who guard the US President and other important public figures in America.  To be clear, they're not for a particular party, they're not Democrat nor Republican. They protect the representative of the people, whoever it is. They are like the Game of Thrones' Night’s Watch. They guard the realm and they do so with their very lives. 

In today's episode, we'll talk about various assassination attempts, some successful, some failed, on US political figures.  In almost all of them the forgotten figure was a Secret Service agent, who knowing there was danger, stepped in front of bullets and knives for the person they were protecting.  Their names have been almost all forgotten, except within that small band of watchers who guard the realm...