This is my younger sister, Natalie. This year she is a junior in high school. And a couple weeks ago she went to her first prom with her brand-new boyfriend. Do you know what prom means? For the male readers who don't, it means shopping. In packs. Gaggles of girls flitting through frothy racks in department stores, fingering the sharp edges and bright sparkles of jewelry specially selected to match the perfect dress. And oh, the opinions. That's what the pack is there for - the opinions. Too big, too shiny, doesn't fit, I'll get a bigger size, puke green is definitely not a flattering color, you're right you're usually a size 4 but I'll go get the size 16 just in case. My mother and I had the privilege of being that gaggle and going shopping with my sister. My soccer-playing softball-shortstop sister. Picture that surly face churning upfield and wearing muddied shin guards; now put her in the "prom" department at Nordstrom's. Let's just say...