ABOARD THE PAPAL PLANE (AP) — There is an odd sense of isolation when you are covering Pope Leo XIV from inside the Vatican’s traveling press pool: Escorted from venue to venue with police motorcades that clear even the most congested of traffic jams, it’s a membership that has many privileges. But during Leo’s epic four-nation trip to Africa , being inside the Vatican “bubble” has been an almost surreal experience, as an unprecedented back-and-forth plays out between U.S. President Donald Trump and history’s first American pope. Every morning this week, waking up to developments in Washington from the evening before, the questions have abounded: Will Leo bite? How will he address the latest criticism, if at all, while focusing on the Africa program he has planned?…