Afraid of calling the first hand witnesses are you?
Bolton, Mulvaney, Pompeo, and Rudy in exchange for both Biden's and Schiff.
Take it or leave it. And no, the impeachment remains open for as long as the House chooses to keep it open.
Ever hear of indictments, followed by setting trial dates months off? That's so witnesses can be gathered for both sides and discovery can take place. Your ignorance of that process doesn't make it go away.
The opinion you referred to is an outlier.
But that's all you cherry picking, straw grasping, morally imbecilic, hypocritical Trumpanzees have.