One of the most practical patriotic things Americans can do is less convenient and easy than putting little flags on our car attennas, but it has to be done. If Americans would abandon SUV's, it would relax the grip of oil-slick, terrorist-harboring Persian Gulf nations on our nation's balls. Arianna Huffington writes something to that effect, anyway:
http://www.alternet.org/story.html?StoryID=11922