The U.S. military's show of force in Iran sends a message to every global capital

Open this photo in gallery: President Donald Trump, flanked by members of his cabinet, delivers remarks from the White House after the U.S. military struck three Iranian nuclear and military sites on Saturday.Carlos Barria/The Associated Press R. David Harden is a former USAID assistant administrator and mission director to the West Bank and Gaza, and senior adviser to president Barack Obama's special envoy for Middle East peace. The U.S. bombing of three Iranian nuclear sites on the weekend marks a pivotal moment in Middle Eastern history. While the damage assessment from the American attacks on the Fordo, Natanz, and Isfahan…