There were signs, subtle but unmistakable, that Hunter Biden’s high-stakes plea agreement with federal prosecutors might be on shaky ground hours before it went public in June, according to emails sent by his legal team to the U.S. attorney’s office in Delaware.
When one of Mr. Biden’s lawyers sent over the draft of the statement they intended to share with the news media, a top deputy to David C. Weiss, who had overseen the inquiry…