The scarred rocket rolled down street canyons away from United Nations City, wheeled toward Madison Square Garden between jam-packed, crazily-cheering millions of citizens from every nation on Earth. Confetti snow drifted in colorful storm, wild faces shone through drifts of spiraling streamers. Signs floated everywhere. Neon signs blinked off and on. Signs floated from balloons across the kleig-lighted sky. Welcome hero signs. And even signs shouting: WELCOME TO EARTH—ZEKE! They spelled the nam