The hottest fashion item for women in finance right now isn't a flashy accessory like a scarf or a watch, or an expensive pair of shoes. It's a good old pair of pants.This week, I did some boots-on-the-ground reporting in Midtown Manhattan, visiting stores to ask about their best-selling women's business attire items. Time and again, pants kept coming up. But we're not talking about any ordinary pants — in most cases, they're made with comfortable, high-quality fabric and fall on the pricier side, rangin ...