“After-hours at the Blanton Museum of Art at the University of Texas at Austin,” a scene unfolds “that has already taken or soon will be taking place at 49 other museums, one in each state: the opening of a gift of 50 works of art sent by Herb and Dorothy Vogel. … Unlike some donors, the Vogels imposed only two minimal conditions to their gift: that the entire gift be exhibited together once within five years, and that it be deaccessioned only as a whole.”