大統領選：Does your vote count? The Electoral College explained

 (1)Christina Greer

     Does your vote count? The Electoral College explained

https://www.ted.com/talks/christina_greer_does_your_vote_count_the_electoral_college_explained

(2)モカ

(3)In America, the election for the next President has been done. 

It drew public attention from all over the world. 

I was interested in the result, and I think you all
were, too. This video shows how the Presidents are choosen. It's easy to
understand with the examples of real elections, the name of states, and
detailed numbers.

(4)Let's say you're a voter in California, a state with 55 electoral votes.
(＝あなたが55の選挙人票を持つカリフォルニアの有権者だとします)

let's say...で
"...だとする"と表現できると知りました。何かを仮定するときにはifばかり使ってしまいますが、こういったフレーズも言えるようにしたいなと思いました。