AUSTIN, Texas, July 15 -- The University of Texas at Austin issued the following news release:

Experiments can have very different outcomes. And when curators at the LBJ Presidential Library and Briscoe Center for American History teamed up to commemorate America's 250th anniversary with a series of exhibits called the American Experiment, they were clearly thinking about documents that showed things both going well and going poorly.

The second installment of"The American Experiment: Pursuing Our Promise" opened Saturday and will remain on view only through Aug. 2, so don't dawdle on your way to the 10th floor of the LBJ Presidential Library. The exhibit's 10 glass cases hold hugely consequential acts of Congress, treaties, Supreme Court ...