WolfishMusings–
The President who forgot to duck was (by his own admission) Ronald Reagan.
Oswald was in the book depository because he worked there. His presence alone wasn’t suspicious.
zahavasdad–
The assassinations were largely bad luck. The chauffeur took a wrong turn down a dead-end street, a 19-year old nut took the opportunity to shoot while the car was turning around, and he was “lucky” that his two shots killed both the Archduke and his wife.
Shticky Guy–
Thank you.
One more: “Captain Smith, you do realize it isn’t really unsinkable, right?”