New exhibit at Texas museum reveals laughing matters at White House

Most of the time, the White House is no joke. But an off-beat new exhibit opening at the George W. Bush Presidential Center reveals the pranks, quips, and humorous happenings that have lightened the mood in the Oval Office throughout history. “Liberty & Laughter: The Lighter Side of the White House” opens Thursday, March 3 and runs through December 31 at the museum on the SMU campus in Dallas. The special exhibit promises entertaining first-family…