Balloon-gate has thrown Joe Biden off his game right before his first State of the Union with Rep. Kevin McCarthy (R-Calif.) standing behind him with the Speaker’s gavel. The president will have to explain to the American people why he let a Chinese surveillance balloon drift slowly across a wide swath of the United States, presumably taking more than just tourist pictures. In March 1983, the West German band Nena released a single entitled “99 Luftballoons,” which was translated later to “99 Red Balloons.” The song was inspired by the story of five high school kids who released 99 aluminized...