President Bill Clinton works at his desk in the Oval Office, with First Daughter Chelsea Clinton in 1994. Between each administration, presidents are allowed to make slight tweaks to the decor in the Oval Office, such as swapping in another rug or hanging different artwork on the walls. We went back and looked at how the Oval Office has changed over the years, going all the way back to Ronald Reagan. (Photo by Tim Graham Photo Library via Getty Images)President Ronald Reagan leaving the Oval Office in 1989. (Photo by Howard L. Sachs/CNP/Getty Images)Bill ClintonPresident Bill Clinton delivers his weekly radio address from the Oval Office in 1995.