Transportation Secretary Sean Duffy is urging Americans to embark on road trips to celebrate the nation’s 250th birthday—at a time when soaring gas prices amid the Iran war make it harder for many to do so. Duffy and his family traveled across the country over the course of seven months for a five-part series called “The Great American Road Trip,” which will be released for free on YouTube ahead of America’s 250th birthday in July. A trailer, released on Friday, shows Duffy and his family