I'm Gerald, 45, a school bus driver. I've done this route for 15 years, rain or snow, and I've seen it all. But last week… nothing prepared me. It was freezing. The kind of cold that bites through your bones. Kids bundled up in scarves and mittens piled onto the bus, laughing and shouting to keep warm. "Get in quick, kids! The weather's killing me! Grrr…" I yelled. Laughter erupted. "YOU'RE SO SILLY, GERALD!" a tiny voice called. Little Marcy, five, with bouncing pigtails, demanded, "Ask your mo