Tensions are growing between the US and the Vatican, with issues including immigration and war contributing to the rift. The situation appears to be affecting US relations with European allies, prompting visits from US officials, including a secretary of state and senator Rubio, to Italy and the Vatican. The exact nature and extent of the rift, as well as the parties involved, are not entirely clear, with some reports mentioning a pope named Leo, while others focus on the broader diplomatic implications.