I would wait until the last minute before making a statement to that effect. Things could change between now and then.
No. You don't understand. Trump is "working the refs". Much like what the Clintonistas did to Starr before he issued his Findings on the Lewinski investigation.
Yes. As Trump has done so well so far, I don’t give consideration to “Trump should...” posts. However, dropping out and giving the reasons could be a way to blast through the main stream propaganda. He could give a URL based on his reasons, such as criminalcandidate.com or riggeddebate.com.