NASA chief Jared Isaacman says he's fighting for Pluto: 'I am very much in the camp of 'make Pluto a planet again'

NASA chief Jared Isaacman wants to restore Pluto to its former glory. In 2006, the International Astronomical Union (IAU) stripped Pluto of its planethood, reclassifying the icy world as a "dwarf planet." The decision was controversial, and not just because it forced schoolchildren around the world to learn a new mnemonic for our solar system's major denizens. Little Pluto was beloved and remains so, especially in the United States. After all, it's the only planet discovered by an American, Clyde Tombaugh, who made the historic find in 1930 using imagery captured by Lowell Observatory in Arizona. Twenty years on, many...