announcer: we take you to ofridan, wyoming, this city about 17,000 is known for its cowboy culture and open ranges. with the help of our cable partners, on book tv, a look at sheridan through its local authors. -- had a square miles single driver economy and no major city. we are utterly singular. willnday at 2:00 p.m., we explore the history of sheridan onyx -- on american history tv. >> landscape is an artifact. even the and start to absorb how crucial the artifact that we had preserving in wyoming -- that we are preserving in wyoming. watch c-span's cities tour of sheridan, wyoming on and sunday atk tv 2:00 p.m. eastern on entry's american history tv -- on c-span3's american history tv. they look at the responsibilities of the companies that operate these platforms to prevent widespread misinformation. this is an hour and 25 minutes. [applause] >> good morning. i am glad to see that most of you survived last night. very good. we had a tremendous panel this morning. it is not news to say that the world