The Freedom of Information Act, conceived by Navy veteran and California Rep. John E. Moss more than 50 years ago, is the world’s best vehicle for absurd bureaucratic trivia. A tool of transparency, the FOIA request can surface government documents on everything from the fascinating to the banal — from evidence of government malfeasance to Barack Obama’s secret beer recipe. And in the case of Guantanamo Bay, sometimes those documents are fascinating and banal.