Actually, if it were obvious, we wouldn't need an investigation. We'd just go after the obvious thing.
The whole premise is that they have reason to believe Russia did something (a reason they created), and we need to investigate to find out what it was.
But that is a false pretext created by the Democrats, starting in 2015.
“Actually, if it were obvious, we wouldn’t need an investigation.”
Not really. When a crime is committed it always requires an investigation.