Americans who want to honor and reflect upon the memory of the crew and passengers who perished aboard United Flight 93 on Sept. 11, 2001 will find that the federal government has blocked the road four miles down from the open-air memorial near Shanksville, Pa. CNSNews.com photographed the spot of the road closure this past weekend. The steel barrier blocking vehicles from passing says: “Because of the federal government shutdown, this National Park Service facility is closed.” …