enjoy the relief. . john: most americans say it's important to protect our borders. except why is our border where it is? why is this town part of mexico or that town is part of texas or arizona. who decided where america ends and mexico or canada begins? turns out that many of our borders are where they are for bizarre reasons, especially state borders. audience, do any of you know why texas voluntarily gave up the panhandle as part of oklahoma? >> no. john: okay, or why the tennessee-kentucky border, pretty flat generally but has this little blip in it, why is that? i didn't know either until the author of the book lost states explained our strange history to me. the author is michael