The Dallas Morning News: As the competition for the George W. Bush presidential library heats up, interest in White House history could be cooling off.

Attendance at most presidential libraries and museums is down – way down, in some cases. The number of visitors is declining at eight of the 11 libraries. And the National Archives and Records Administration is trying to figure out why. The federal agency that operates the Presidential Library System has launched a multiyear market research project aimed at raising the libraries’ profiles and at uncovering what draws people to presidential history.