What incident brought attention to the safety of people and zoo animals and also resulted in a gorilla being nominated for Speaker of the House?
Deez Nuts (politician):  A poll performed in mid-August 2016 shows Deez Nuts slightly edging out Harambe and Jill Stein in Texas, with 3% of the vote. Killing of Harambe:  A number of primatologists and conservationists wrote later that the zoo had no other choice under the circumstances, and that it highlighted the danger of zoo animals in close proximity to humans and the need for better standards of care.
Harambe