. >>> sunday night on q&a, historian jeff guinn discusses his book "the vagabonds," ant t -- about theps taken by thomas edison and henry ford. >> they wanted to demonstrate, hey, guess what, you can go get in your car and do these things too. but they weren't going to have to try to light their own campfires. they weren't going to eat cold beans out of cans. they weren't just going to put a blanket on the ground. they had all these different amenities. they had a refrigerated car, powered by edison batteries so they could have fresh dairy. they had chefs who would prepare gourmet meals at night. in the morning, they would dress in freshly ironed clothes. but you see, they were so famous and america was so grateful to them, that that didn't matter. the point was, hey, we're out in cars, traveling and seeing these things. you can do it too. >> sunday night at 8:00 p.m. eastern on c-span's "q&a." >>> the house will be in order. >> for 40 years, c-span has been providing america unfiltered coverage of congress, the white house, the supreme court, and public policy events from washington,