The Oklahoma History Center is proud to present the Rushmore Four, a program featuring the presidents who appear on Mount Rushmore, on Thursday and Friday, November 19 and 20. George Washington, Thomas Jefferson, Abraham Lincoln and Theodore Roosevelt will be portrayed by four living history professionals. Each president will offer stories from his respective era and will answer questions about his service to the United States. Thursday's schedule includes a homeschool event at 2 p.m. and an evening event open…