this morning’s electoral-vote.com:

trumps problem: too many people involved, no way to keep them all quiet

…what Trump should have done is ask a friend to go buy him a cheap burner phone with a prepaid SIM card at a supermarket (for cash), so there would be no paper trail. Then he should have gone to one of his less-frequented golf clubs at dawn when no one was outdoors on the course, and used the phone to personally dial Zelensky and make his pitch. That way there would not have been any Sondlands or Morrisons, or others to potentially rat on him. Using a new phone from a location he hadn’t been to before as president would greatly reduce the chances of the Russians or Chinese listening in on the call. From a security point of view…[i]t should have been just himself, Zelensky and no one else….