Sure, there was the attempted assassination of Reagan and the fears for Obama as the first black President, but in those cases it was a lone nutter rather than a conspiracy.
How long can Trump crash the market before an angry billionaire decides to take him out? The remaining Koch brother is already pouring money into legal challenges against Trump…
No one heals cartilage. Especially not a 78 year old dottering fool whose primary source of nutrition is McDonalds.
Even if it was a graze and only had skin damage. A 78 year old will have scars and bruising.