NPR News covers Defense Secretary Hegseth’s $40 billion Iran war cost estimate, which Harvard expert Linda Bilmes disputes as significantly understated. Maine Democrats nominate logger Troy Jackson to challenge Sen. Susan Collins. Meanwhile, severe wildfires in France and Spain prompt evacuations and military aid, while a van attack at a Berlin LGBTQ+ event kills one. Other stories include Louisiana Rep. Cleo Fields running for state Senate and the WNBA All-Star Game.