NPR News Now reports that the U.S. and Israel are preparing for a potential attack on Iran in early November, while American Stephen Hubbard returns home after release from a Russian prison. The broadcast also covers midterm election campaigning, a critical security vulnerability in the PHP programming language, and the Trump administration's plan to loan heating oil to New England. Additionally, the episode highlights a new analysis on the rising difficulty of saving for a home down payment and updates on Pope Leo’s recovery following lung cancer surgery.